refactor: assign dataset name directly

Signed-off-by: Andre Manoel <amanoel@nvidia.com>

Author: andreatnvidia

packages/data-designer-engine/src/data_designer/engine/storage/artifact_storage.py

@@ -187,7 +187,7 @@ def create_dataset_directory(self, *, resume: ResumeMode) -> None:
 
         if dataset_path != self.base_dataset_path:
             logger.info(f"📂 Dataset directory already claimed. This run will be saved to {str(dataset_path)!r}.")
-        self.__dict__["resolved_dataset_name"] = dataset_path.name
+        self.resolved_dataset_name = dataset_path.name
         self.refresh_media_storage_path()
 
     @staticmethod