Use VCSExpansionPanel for object library

src/objectList.vue

@@ -6,9 +6,8 @@
         <span>Die Objektbibliothek.</span>
       </template>
       <template #default>
-        <v-expansion-panels v-for = "(subcats, categoryName) in objLib" :key="categoryName">
-          <v-expansion-panel >
-            <v-expansion-panel-title class="text-h5">{{ categoryName }}</v-expansion-panel-title>
+        <v-expansion-panels>
+          <VcsExpansionPanel v-for = "(subcats, categoryName) in objLib" :key="categoryName" :heading="categoryName">
             <v-container v-for="(entries, subCategory) in subcats" :key = "subCategory" class=" py-1 px-1 border-b-md" expandable>
               <v-col>
               <VcsLabel class="mb-4 text-h2">{{subCategory}}</VcsLabel>
@@ -29,7 +28,7 @@
               </v-col>
               <v-divider/>
             </v-container>
-          </v-expansion-panel>
+          </VcsExpansionPanel>
         </v-expansion-panels>
 
       </template>
@@ -113,7 +112,7 @@ import {
   VcsTreeview,
   VcsTreeviewTitle,
 } from '@vcmap/ui';
-import {VCard, VCol, VContainer, VDialog, VForm, VRow, VSheet, VSwitch,} from 'vuetify/components';
+import {VCard, VCol, VContainer, VDialog, VForm, VRow, VSheet, VSwitch, VExpansionPanels} from 'vuetify/components';
 import {computed, inject, onMounted, ref} from 'vue';
 import {name} from '../package.json';
 import * as THREE from 'three';
@@ -403,6 +402,7 @@ function uploadModel() {
       VContainer,
       VRow,
       VCol,
+      VExpansionPanels,
     },
     setup() {
       app = inject('vcsApp');