Made google-play login working again, and fixed numerous bugs

lib/api/marianumcloud/talk/talkApi.dart

@@ -3,7 +3,7 @@ import 'dart:developer';
 import 'package:http/http.dart' as http;
 
 import '../../../model/accountData.dart';
-import '../../../model/timetable/endpointData.dart';
+import '../../../model/endpointData.dart';
 import '../../apiError.dart';
 import '../../apiParams.dart';
 import '../../apiRequest.dart';