refactor: pass env to bootstrap for web splash

- Pass current env to bootstrap
- Web splash screen fix

Author: fulleni

lib/main.dart

@@ -21,7 +21,7 @@ void main() async {
     AppEnvironment.demo => AppConfig.demo(),
   };
 
-  final appWidget = await bootstrap(appConfig);
+  final appWidget = await bootstrap(appConfig, currentEnvironment);
 
   // Only remove the splash screen on web after the app is ready.
   if (kIsWeb) {