fix: map disappear on failed search

frontend/src/components/OverviewScreen.vue

@@ -1,7 +1,8 @@
 <template>
     <div class="overview">
         <va-card class="content-container">
-            <map-component v-if="itemIdList.length" :idlist="itemIdList" @mapClick="$emit('mapClick', $event)" />
+            <map-component v-if="settleFinishedComputed" ref="map" :idlist="itemIdList"
+                @mapClick="$emit('mapClick', $event)" />
         </va-card>
         <va-card class="content-container">
             <va-data-table :items="items" :columns="columns" :hoverable="true" :clickable="true" :per-page="perPage"
@@ -31,19 +32,28 @@ export default {
         return {
             perPage: 10,
             currentPage: 1,
+            settleFinished: false,
         }
     },
     methods: {},
     computed: {
         pages(){
+            this.settleFinished = true;
             return (this.perPage && this.perPage !== 0) 
             ? Math.ceil(this.items.length / this.perPage)
             : this.items.length
         },
 
         itemIdList(){
+
             return this.items.map(item => item.internal_id)
         },
+
+        settleFinishedComputed(){
+            let result = this.settleFinished ? this.settleFinished : Boolean(this.items.length);
+            this.settleFinished = true;
+            return result
+        }
     },
 
 }