Vue draggable no drop animation

I have a kanban board that displays issues in a project made up of three lists, Open, In Progress, and Completed.
I am using vue draggable in order to drag and drop issues between the three lists.
I fetch the issues from an api call using axios and I also update each issues status(i.e Open, In Progress, Closed) with a post request as well.
The issue is that when I drag an issue, lets say from Open and drop it in In Progress, the issue returns to the Open column in the kanban board. I have to refresh the page for the issue to move to the In Progress column. This means that the update request is working.
But how can I make the issue move without refreshing the page?

KanBanBoard.vue

<template>
  <v-container>
    <v-row wrap>
      <v-col xl="4" lg="4" md="4" sm="4" xs="12">
        <v-card>
          <v-card-title class="blue lighten-3">
            <span class="white--text">Open</span>
          </v-card-title>
          <v-divider horizontal></v-divider>
          <v-card-text class="blue lighten-3">
            <draggable class="list-group kanban-column" :list="Open" group="tasks" :move="onDrop">
              <v-card
                class="#f4f5fa"
                style="height:auto; margin-top:10px"
                v-for="issue in Open"
                :key="issue"
                align-center
                elevation="3"
              >
                <v-card-text>
                  <v-row dense style="width:auto">
                    <router-link
                      class="d-flex align-center text-decoration-none grey--text"
                      style="font-size:18px;"
                      :to="{ name: 'IssuePage', params: { id: issue.id, issue } }"
                    >
                      {{ issue.title }}
                    </router-link>
                  </v-row>

                  <v-row dense>
                    <v-col>
                      <v-chip
                        class="ma-2"
                        color="red"
                        outlined
                        style="position:relative; right:10px;top:10px; height:min-content"
                      >
                        {{ issue.issueSeverity }}
                      </v-chip>
                    </v-col>
                    <v-col>
                      <v-chip
                        class="ma-2"
                        color="green"
                        outlined
                        style="position:relative; right:83px; top:10px;height:min-content"
                      >
                        {{ issue.issueType }}
                      </v-chip>
                    </v-col>
                  </v-row>
                </v-card-text>
              </v-card>
            </draggable>
          </v-card-text>
        </v-card>
      </v-col>

      <v-col xl="4" lg="4" md="4" sm="4" xs="12">
        <v-card>
          <v-card-title class="light-green lighten-3">
            <span class="white--text">In Progress</span>
          </v-card-title>
          <v-divider horizontal></v-divider>
          <v-card-text class="light-green lighten-3">
            <draggable class="list-group kanban-column" :list="InProgress" group="tasks" :move="onDrop">
              <v-card
                class="#f4f5fa"
                style="height:auto; margin-top:10px"
                v-for="issue in InProgress"
                :key="issue"
                align-center
                elevation="3"
              >
                <v-card-text>
                  <v-row dense style="width:auto">
                    <router-link
                      class="d-flex align-center text-decoration-none grey--text"
                      style="font-size:18px;"
                      :to="{ name: 'IssuePage', params: { id: issue.id, issue } }"
                    >
                      {{ issue.title }}
                    </router-link>
                  </v-row>

                  <v-row>
                    <v-col>
                      <v-chip
                        class="ma-2"
                        color="red"
                        outlined
                        style="position:relative; right:10px;top:10px; height:min-content"
                      >
                        {{ issue.issueSeverity }}
                      </v-chip>
                    </v-col>

                    <v-col>
                      <v-chip
                        class="ma-2"
                        color="green"
                        outlined
                        style="position:relative; right:83px; top:10px;height:min-content"
                      >
                        {{ issue.issueType }}
                      </v-chip>
                    </v-col>
                  </v-row>
                </v-card-text>
              </v-card>
            </draggable>
          </v-card-text>
        </v-card>
      </v-col>

      <v-col xl="4" lg="4" md="4" sm="4" xs="12">
        <v-card>
          <v-card-title class="orange lighten-3">
            <span class="white--text">Completed</span>
          </v-card-title>
          <v-divider horizontal></v-divider>
          <v-card-text class="orange lighten-3">
            <draggable class="list-group kanban-column" :list="Completed" group="tasks" :move="onDrop">
              <v-card
                class="#f4f5fa"
                style="height:auto; margin-top:10px"
                v-for="issue in Completed"
                :key="issue"
                align-center
                elevation="3"
              >
                <v-card-text>
                  <v-row dense style="width:auto">
                    <router-link
                      class="d-flex align-center text-decoration-none grey--text"
                      style="font-size:18px;"
                      :to="{ name: 'IssuePage', params: { id: issue.id, issue } }"
                    >
                      {{ issue.title }}
                    </router-link>
                  </v-row>

                  <v-row dense>
                    <v-col>
                      <v-chip
                        class="ma-2"
                        color="red"
                        outlined
                        style="position:relative; right:10px;top:10px; height:min-content"
                      >
                        {{ issue.issueSeverity }}
                      </v-chip>
                    </v-col>
                    <v-col>
                      <v-chip
                        class="ma-2"
                        color="green"
                        outlined
                        style="position:relative; right:83px; top:10px;height:min-content"
                      >
                        {{ issue.issueType }}
                      </v-chip>
                    </v-col>
                  </v-row>
                </v-card-text>
              </v-card>
            </draggable>
          </v-card-text>
        </v-card>
      </v-col>
    </v-row>
  </v-container>
</template>

<script>
import draggable from 'vuedraggable'
import { mapGetters, mapActions } from 'vuex'

export default {
  props: ['project_id'],

  components: {
    draggable,
  },

  computed: {
    ...mapGetters(['Open','InProgress', 'Completed', 'Statuses', 'Types', 'Severities']),
  },

  watch: {
    project_id() {
      this.fetchIssuesofProject(this.project_id)
      this.test()
    },
  },

  methods: {
    ...mapActions(['fetchIssuesofProject', 'updateIssueStatus']),

    onDrop(evt) {
      const movedIssue = evt.draggedContext.element
      var StatusTag = evt.relatedContext.element.issueStatus
      var TypeTag = evt.relatedContext.element.issueType
      var SeverityTag = evt.relatedContext.element.issueSeverity
      var status = this.Statuses.find(st => st.title == StatusTag)
      var type = this.Types.find(tp => tp.title == TypeTag)
      var severity = this.Severities.find(sv => sv.title == SeverityTag)
    
      const updateIssue = {
        id: movedIssue.id,
        created: movedIssue.created,
        title: movedIssue.title,
        description: movedIssue.description,
        time_estimate: movedIssue.time_estimate,
        userid: 'f3260d22-8b5b-4c40-be1e-d93ba732c576',
        projectid: movedIssue.projectid,
        issueTypeId: type.id,
        issueStatusId: status.id,
        issueSeverityId: severity.id,
      }

      //console.log(updateIssue)

      this.updateIssueStatus(updateIssue)
    },

    test() {
      console.log(this.projectid)
    },
  },

  created() {
    this.test(), this.fetchIssuesofProject(this.project_id), this.getIssueStatus()
  },
}
</script>

<style scoped>
hr {
  margin-top: 0.1px;
  margin-bottom: 0.1px;
  border: 1;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
</style>

Kanban.js (vuex)

import axios from 'axios'

const state = {
    Issues: [],
}

const getters = {
    Open: (state) => state.Issues.filter(x => x.issueStatus == 'Open'),
    InProgress: (state) => state.Issues.filter(x => x.issueStatus == 'In Progress'),
    Completed: (state) => state.Issues.filter(x => x.issueStatus == 'Closed'),
}

const actions = {
    async fetchIssuesofProject({ commit }, projectid) {
        const response = await axios.get('https://fadiserver.herokuapp.com/api/v1/my-issues-titles/?projectid=' + projectid).catch(error => {
            console.log(error)
        })
        commit('setIssues', response.data)
    },

    async updateIssueStatus({ commit }, issue) {
        const response = await axios.post('https://fadiserver.herokuapp.com/api/v1/my-issues/?id=' + issue.id, issue).catch(error => {
            console.log(error)
        })

        commit('updateIssueStatus', response.data)
    },
}

const mutations = {
    setIssues: (state, Issues) => (state.Issues = Issues),
    updateIssueStatus: (state, Issue) => {
        const index = state.Issues.findIndex(is => is.id == Issue.id)
        if(index !== -1){
            state.Issue.splice(index, 1, Issue)
        }
    }
}

export default {
    state,
    getters,
    actions,
    mutations
}

If you see mapGetters without equivelent mapActions, it is because it is called in another component, so no need to worry about them