Fix favorite status toggle on 1st level of comments

lib/services/entry_manager_service.dart

@@ -468,7 +468,7 @@ class EntryManagerService extends ChangeNotifier {
     _entries[update.id] = update;
     final node = update.parentId.isEmpty
         ? _postNodes[update.id]!
-        : _postNodes[_parentPostIds[update.parentId]]!;
+        : _postNodes[_parentPostIds[update.id]]!;
 
     notifyListeners();
     return Result.ok(_nodeToTreeItem(node, client.profile.userId));