Fehlerkorrekturen und Erweiterungen

lib/popups/tasks_popups/commision_number_popup.dart

@@ -7,9 +7,15 @@ showComissionNumberPopup(BuildContext context, TaskInfo taskInfo, Function(Strin
   await showDialog(
       context: context,
       builder: (BuildContext context) {
-        return WillPopScope(
-            onWillPop: () async {
-              return await taskDialogSecurityException(context);
+        return PopScope(
+            canPop: false,
+            onPopInvoked: (bool didPop) async {
+              if (!didPop) {
+                final shouldPop = await taskDialogSecurityException(context);
+                if (shouldPop && context.mounted) {
+                  Navigator.of(context).pop();
+                }
+              }
             },
             child: AlertDialog(
                 contentPadding: EdgeInsets.zero,