ios nfc mark attendance confirmation dialog issue fix.

lib/widgets/mark_attendance_widget.dart

@@ -161,11 +161,12 @@ class _MarkAttendanceWidgetState extends State<MarkAttendanceWidget> {
             );
           } else {
             bool status = await model.fetchAttendanceTracking(context);
+            if (Platform.isIOS) await Future.delayed(const Duration(seconds: 3));
             Utils.hideLoading(context);
             showMDialog(
               context,
               backgroundColor: Colors.transparent,
-              isDismissable: false,
+              isDismissable: true,
               child: SuccessDialog(widget.isFromDashboard),
             );
           }
@@ -272,7 +273,7 @@ class _MarkAttendanceWidgetState extends State<MarkAttendanceWidget> {
         showMDialog(
           context,
           backgroundColor: Colors.transparent,
-          isDismissable: false,
+          isDismissable: true,
           child: SuccessDialog(widget.isFromDashboard),
         );
       } catch (ex) {