added clear message for denied camera or gallery access

lib/view/pages/more/feedback/feedback_dialog.dart

@@ -43,7 +43,7 @@ class _FeedbackDialogState extends State<FeedbackDialog> {
   }
 
   Future<void> _pickImage() async {
-    final picked = await FilePick.singleGalleryPick();
+    final picked = await FilePick.singleGalleryPick(context);
     if (picked == null) return;
     final data = await picked.readAsBytes();
     if (!mounted) return;