Fix sound rendering for web

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/game_select_screen.dart

@@ -59,7 +59,7 @@ class GameSelectScreen extends StatelessWidget {
     );
   }
 
-  Future<List<WolfensteinData>> loadData([String? directory]) async {
+  Future<List<WolfensteinData>> loadData({String? directory}) async {
     final List<WolfensteinData> loadedGames = [];
 
     // 1. Always attempt to load bundled assets first (works on ALL platforms)

lib/main.dart

@@ -3,6 +3,8 @@ import 'package:flutter_soloud/flutter_soloud.dart';
 import 'package:wolf_dart/game_select_screen.dart';
 
 void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+
   await SoLoud.instance.init(
     sampleRate: 44100, // Audio quality
     bufferSize: 2048, // Buffer size affects latency