Make sure CalendarEventDialog uses minimal-patch

Minimal-patch with missing start&end errors in backend.
Using minimal-patch would need special logic to correct this.

aleksis/core/frontend/components/calendar/CalendarEventDialog.vue

@@ -20,6 +20,7 @@ import GroupField from "../generic/forms/GroupField.vue";
     :edit-item="editItemWithDatetimes"
     :is-create="!editItem"
     :fields="editableFields"
+    :minimal-patch="false"
   >
     <template #activator="{ attrs, on }">
       <slot name="activator" v-bind="{ attrs, on, events }" />