fix analysis

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -57,7 +57,7 @@ typedef AttachmentThumbnailBuilder = Widget Function(
 );
 
 /// Builder function for building a mention tile
-/// Use [MentionTile] for the default implementation
+/// Use [UserMentionTile] for the default implementation
 typedef MentionTileBuilder = Widget Function(
   BuildContext context,
   Member member,

packages/stream_chat_flutter/test/src/extension_test.dart

@@ -9,7 +9,6 @@ void main() {
       final thierry = User(id: 'thierry', name: 'Thierry');
       final users = [tommaso, thierry];
 
-      final a = users.search('Tom');
       expect(users.search('Tom'), [tommaso]);
       expect(users.search('Thier'), [thierry]);
     });