Activity form: add required class name on required field built with vue

src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location.vue

@@ -1,7 +1,7 @@
 <template>
     <teleport to="#location">
         <div class="mb-3 row">
-            <label class="col-form-label col-sm-4">
+            <label :class="locationClassList">
                 {{ $t("activity.location") }}
             </label>
             <div class="col-sm-8">
@@ -41,6 +41,12 @@ export default {
         NewLocation,
         VueMultiselect,
     },
+    data() {
+        return {
+            locationClassList:
+               `col-form-label col-sm-4 ${document.querySelector('input#chill_activitybundle_activity_location').getAttribute('required') ? 'required' : ''}`,
+        }
+    },
     computed: {
         ...mapState(["activity", "availableLocations"]),
         ...mapGetters(["suggestedEntities"]),