fix: don't update edit data if edited timestamp is not available

public/src/client/topic/events.js

@@ -142,6 +142,7 @@ define('forum/topic/events', [
 				posts.addBlockquoteEllipses(editedPostEl.parent());
 				editedPostEl.fadeIn(250);
 
+				if (data.post.edited) {
 					const editData = {
 						editor: data.editor,
 						editedISO: utils.toISOString(data.post.edited),
@@ -155,6 +156,7 @@ define('forum/topic/events', [
 						postContainer.find('[component="post/editor"] .timeago').timeago();
 						hooks.fire('action:posts.edited', data);
 					});
+				}
 			});
 		} else {
 			hooks.fire('action:posts.edited', data);