Refactoring

lib/content_views/task_list_page.dart

@@ -23,6 +23,7 @@ import 'package:stadtbote/protocoll_messages/fin_tour_message.dart';
 import 'package:stadtbote/protocoll_messages/pic_message.dart';
 import 'package:stadtbote/tools/constants.dart';
 import 'package:stadtbote/tools/message_service.dart';
+import 'package:stadtbote/tools/messages/PublishPayloadMessage.dart';
 
 import '../main.dart';
 import '../model/task_info.dart';