Remove [] fallback

apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.component.ts

@@ -82,7 +82,7 @@ export class CreateOrUpdateActivityDialog implements OnDestroy {
     this.defaultDateFormat = getDateFormatString(this.locale);
     this.platforms = platforms;
 
-    const tags = this.data.user?.tags ?? [];
+    const tags = this.data.user?.tags;
     this.tagsAvailable = tags.map((tag) => {
       return {
         ...tag,