Discussion improvements for groups

Show when a comment has been edited.

Closes #372

Hide the report functionnality for now

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

js/src/types/comment.model.ts

@@ -59,7 +59,7 @@ export class CommentModel implements IComment {
     this.actor = hash.actor ? new Actor(hash.actor) : new Actor();
     this.event = new EventModel(hash.event);
     this.replies = hash.replies;
-    this.updatedAt = hash.updatedAt;
+    this.updatedAt = new Date(hash.updatedAt as string);
     this.deletedAt = hash.deletedAt;
     this.insertedAt = new Date(hash.insertedAt as string);
     this.totalReplies = hash.totalReplies;