TF-4193 Handle multi click to enable Label visibility feature

lib/main/localizations/app_localizations.dart

@@ -5612,4 +5612,11 @@ class AppLocalizations {
       name: 'labelVisibilityToggleDescription',
     );
   }
+
+  String get theLabelFeatureIsNowAvailable {
+    return Intl.message(
+      'The label feature is now available.',
+      name: 'theLabelFeatureIsNowAvailable',
+    );
+  }
 }