Fix issues caused by separating AmendLesson component

aleksis/apps/chronos/frontend/components/AmendLesson.vue

@@ -105,6 +105,12 @@ export default {
     DeleteDialog,
   },
   mixins: [permissionsMixin],
+  props: {
+    selectedEvent: {
+      type: Object,
+      required: true,
+    }
+  },
   data() {
     return {
       edit: false,

aleksis/apps/chronos/frontend/components/calendar_feeds/details/LessonDetails.vue

@@ -96,7 +96,11 @@
           </v-list-item-title>
         </v-list-item-content>
       </v-list-item>
-      <amend-lesson />
+      <amend-lesson
+        v-if="selectedEvent"
+        :selected-event="selectedEvent"
+        @refreshCalendar="$emit('refreshCalendar')"
+      />
     </template>
   </base-calendar-feed-details>
 </template>