fix: update privacy state after save and enforce 10-digit phone number validation in profile settings

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

@@ -154,6 +154,13 @@ class _PrivacyTabState extends ConsumerState<PrivacyTab> {
           'activity_status': _activityStatus,
         },
       });
+      // Update the snapshot so a later Cancel doesn't revert the just-saved values
+      if (mounted) {
+        setState(() {
+          _origProfileVisibility = _profileVisibility;
+          _origActivityStatus = _activityStatus;
+        });
+      }
       _showSnackBar('Privacy settings saved');
     } catch (e) {
       _showSnackBar('Failed to save: $e', isError: true);