Fixed bug that game session would reset afer creating it

lib/data/game_manager.dart

@@ -9,11 +9,18 @@ class GameManager extends ChangeNotifier {
   /// Takes a [GameSession] object as input. It then adds the session to the `gameList`,
   /// sorts the list in descending order based on the creation date, and notifies listeners of the change.
   /// It also saves the updated game sessions to local storage.
-  void addGameSession(GameSession session) {
+  /// Returns the index of the newly added session in the sorted list.
+  Future<int> addGameSession(GameSession session) async {
     gameList.add(session);
+    print(
+        '[game_manager.dart] Added game session: ${session.gameTitle} at ${session.createdAt}');
     gameList.sort((a, b) => b.createdAt.compareTo(a.createdAt));
+    print(
+        '[game_manager.dart] Sorted game sessions by creation date. Total sessions: ${gameList.length}');
     notifyListeners();
-    LocalStorageService.saveGameSessions();
+    await LocalStorageService.saveGameSessions();
+    print('[game_manager.dart] Saved game sessions to local storage.');
+    return gameList.indexOf(session);
   }
 
   /// Removes a game session from the list and sorts it by creation date.

lib/services/local_storage_service.dart

@@ -28,6 +28,7 @@ class LocalStorageService {
 
   /// Saves the game sessions to a local JSON file.
   static Future<void> saveGameSessions() async {
+    print('[local_storage_service.dart] Versuche, Daten zu speichern...');
     try {
       final file = await _getFilePath();
       final jsonFile = getJsonFile();

lib/views/create_game_view.dart

@@ -206,7 +206,7 @@ class _CreateGameState extends State<CreateGame> {
                     ),
                   ],
                 ),
-                onPressed: () {
+                onPressed: () async {
                   if (_gameTitleTextController.text == '') {
                     showCupertinoDialog(
                       context: context,
@@ -289,13 +289,14 @@ class _CreateGameState extends State<CreateGame> {
                     caboPenalty: Globals.caboPenalty,
                     isPointsLimitEnabled: selectedMode!,
                   );
-                  gameManager.addGameSession(gameSession);
+                  final index = await gameManager.addGameSession(gameSession);
+                  print('index des spiels: $index');
                   if (context.mounted) {
                     Navigator.pushReplacement(
                         context,
                         CupertinoPageRoute(
-                            builder: (context) =>
-                                ActiveGameView(gameSession: gameSession)));
+                            builder: (context) => ActiveGameView(
+                                gameSession: gameManager.gameList[index])));
                   } else {
                     print('Context is not mounted');
                   }