fix: Web server picker

lib/utils/famedlysdk_store.dart

@@ -16,8 +16,8 @@ import 'package:random_string/random_string.dart';
 Future<LocalStorage> getLocalStorage() async {
   final directory = PlatformInfos.isBetaDesktop
       ? await getApplicationSupportDirectory()
-      : await getApplicationDocumentsDirectory();
-  final localStorage = LocalStorage('LocalStorage', directory.path);
+      : (PlatformInfos.isWeb ? null : await getApplicationDocumentsDirectory());
+  final localStorage = LocalStorage('LocalStorage', directory?.path);
   await localStorage.ready;
   return localStorage;
 }