Email Confirmation and refactor for snackbar

frontend/pweb/lib/pages/settings/widgets/base.dart

@@ -91,7 +91,7 @@ class _BaseEditTileBodyState<T> extends State<_BaseEditTileBody<T>> {
       ));
     } catch (e) {
       notifyUserOfErrorX(
-        scaffoldMessenger: sms,
+        context: context,
         errorSituation: widget.delegate.errorSituation,
         appLocalizations: locs,
         exception: e,

frontend/pweb/lib/pages/settings/widgets/image.dart

@@ -42,7 +42,6 @@ class ImageTile extends AbstractSettingsTile {
   Future<void> _pickImage(BuildContext context) async {
     final picker = ImagePicker();
     final locs = AppLocalizations.of(context)!;
-    final sm = ScaffoldMessenger.of(context);
     final picked = await picker.pickImage(
       source: ImageSource.gallery,
       maxWidth: maxWidth,
@@ -57,9 +56,9 @@ class ImageTile extends AbstractSettingsTile {
       }
     } catch (e) {
       notifyUserOfErrorX(
-        scaffoldMessenger: sm, 
-        errorSituation: imageUpdateError ?? locs.settingsImageUpdateError, 
-        exception: e, 
+        context: context,
+        errorSituation: imageUpdateError ?? locs.settingsImageUpdateError,
+        exception: e,
         appLocalizations: locs,
       );
     }