FIX: Don not clone Locales and Languages, pass them by reference

webapp/app.ironcalc.com/frontend/src/components/storage.ts

@@ -139,8 +139,7 @@ export function saveSelectedModelInStorage(model: Model) {
       modelsJson = "{}";
     }
     const models: ModelsMetadata = JSON.parse(modelsJson);
-    models[uuid].language = model.getLanguage(),
-      
+    models[uuid].language = model.getLanguage();
     localStorage.setItem("models", JSON.stringify(models));
   }
 }