platform upgrades

lib/push/push_status.dart

@@ -148,6 +148,7 @@ Future<PushCheck> _osPermission() async {
       case AuthorizationStatus.provisional:
         return PushCheck.ok;
       case AuthorizationStatus.denied:
+      case AuthorizationStatus.deniedPermanently:
         return PushCheck.fail;
       case AuthorizationStatus.notDetermined:
         return PushCheck.unknown;