Introduce group posts

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/components/Event/EventListCard.vue

@@ -247,6 +247,7 @@ export default class EventListCard extends mixins(ActorMixin, EventMixin) {
    * Delete the event
    */
   async openDeleteEventModalWrapper() {
+    // @ts-ignore
     await this.openDeleteEventModal(this.participation.event, this.currentActor);
   }
 

js/src/components/Event/ShareEventModal.vue

@@ -87,13 +87,16 @@ import DiasporaLogo from "../../assets/diaspora-icon.svg?inline";
 })
 export default class ShareEventModal extends Vue {
   @Prop({ type: Object, required: true }) event!: IEvent;
+
   @Prop({ type: Boolean, required: false, default: true }) eventCapacityOK!: boolean;
+
   @Ref("eventURLInput") readonly eventURLInput!: any;
 
   EventVisibility = EventVisibility;
+
   EventStatus = EventStatus;
 
-  showCopiedTooltip: boolean = false;
+  showCopiedTooltip = false;
 
   get twitterShareUrl(): string {
     return `https://twitter.com/intent/tweet?url=${encodeURIComponent(this.event.url)}&text=${