fix persistence sort filtering

packages/stream_chat_persistence/lib/src/dao/channel_query_dao.dart

@@ -91,16 +91,6 @@ class ChannelQueryDao extends DatabaseAccessor<MoorChatDatabase>
       return channelEntity.toChannelModel(createdBy: createdByEntity?.toUser());
     })).get();
 
-    final possibleSortingFields = cachedChannels.fold<List<String>>(
-        ChannelModel.topLevelFields,
-        (previousValue, element) =>
-            {...previousValue, ...element.extraData.keys}.toList());
-
-    // ignore: parameter_assignments
-    sort = sort
-        ?.where((s) => possibleSortingFields.contains(s.field))
-        ?.toList(growable: false);
-
     var chainedComparator = (ChannelModel a, ChannelModel b) {
       final dateA = a.lastMessageAt ?? a.createdAt;
       final dateB = b.lastMessageAt ?? b.createdAt;