fix #2351

Signed-off-by: dom <githubaccount56556@proton.me>

lib/main.dart

@@ -260,6 +260,9 @@ class MyApp extends StatelessWidget {
       builder: FlutterSmartDialog.init(
         toastBuilder: CustomToast.new,
         loadingBuilder: LoadingWidget.new,
+        notifyStyle: const FlutterSmartNotifyStyle(
+          warningBuilder: NotifyWarning.new,
+        ),
         builder: _builder,
       ),
       navigatorObservers: [routeObserver],