Email Confirmation and refactor for snackbar

frontend/pweb/lib/utils/notify.dart

@@ -13,19 +13,18 @@ Future<void> invokeAndNotify<T>(
   void Function(Object)? onError,
   void Function(T)? onSuccess,
 }) async {
-  final sm = ScaffoldMessenger.of(context);
   final locs = AppLocalizations.of(context)!;
   try {
     final res = await operation();
     if (operationSuccess != null) {
-      notifyUserX(sm, operationSuccess);
+      await notifyUser(context, operationSuccess);
     }
     if (onSuccess != null) {
       onSuccess(res);
     }
   } catch (e) {
     notifyUserOfErrorX(
-      scaffoldMessenger: sm, 
+      context: context,
       errorSituation: operationError ?? locs.errorInternalError, 
       exception: e, 
       appLocalizations: locs,