feat: Enhance APNS token retrieval with retries and add cancel functionality to revert changes in notification and privacy settings.

lib/features/profile/presentation/widgets/privacy_tab.dart

@@ -23,6 +23,14 @@ class _PrivacyTabState extends ConsumerState<PrivacyTab> {
   bool _isSavingPrivacy = false;
   bool _privacyLoaded = false;
 
+  // Snapshot for cancel/reset
+  String _origProfileVisibility = 'public';
+  String _origContactInfo = 'connections';
+  String _origActivityStatus = 'public';
+  bool _origShareAnalytics = false;
+  bool _origPersonalizedAds = false;
+  bool _origThirdPartySharing = false;
+
   @override
   void initState() {
     super.initState();
@@ -50,6 +58,13 @@ class _PrivacyTabState extends ConsumerState<PrivacyTab> {
             dataSettings['thirdPartySharing'] as bool? ?? false;
         _isLoadingPrivacy = false;
         _privacyLoaded = true;
+        // Save snapshot for cancel/reset
+        _origProfileVisibility = _profileVisibility;
+        _origContactInfo = _contactInfo;
+        _origActivityStatus = _activityStatus;
+        _origShareAnalytics = _shareAnalytics;
+        _origPersonalizedAds = _personalizedAds;
+        _origThirdPartySharing = _thirdPartySharing;
       });
     } catch (_) {
       setState(() => _isLoadingPrivacy = false);
@@ -150,8 +165,14 @@ class _PrivacyTabState extends ConsumerState<PrivacyTab> {
           ProfileActionButtons(
               onSave: _savePrivacyPreferences,
               onCancel: () {
-                _privacyLoaded = false;
-                _loadPrivacyPreferences();
+                setState(() {
+                  _profileVisibility = _origProfileVisibility;
+                  _contactInfo = _origContactInfo;
+                  _activityStatus = _origActivityStatus;
+                  _shareAnalytics = _origShareAnalytics;
+                  _personalizedAds = _origPersonalizedAds;
+                  _thirdPartySharing = _origThirdPartySharing;
+                });
               },
               isSaving: _isSavingPrivacy),
           const SizedBox(height: 24),