[WEB-5044] fix: ruff lint and format errors (#7868)

* fix: lint errors

* fix: file formatting

* fix: code refactor

apps/api/plane/bgtasks/file_asset_task.py

@@ -17,9 +17,6 @@ from plane.db.models import FileAsset
 def delete_unuploaded_file_asset():
     """This task deletes unuploaded file assets older than a certain number of days."""
     FileAsset.objects.filter(
-        Q(
-            created_at__lt=timezone.now()
-            - timedelta(days=int(os.environ.get("UNUPLOADED_ASSET_DELETE_DAYS", "7")))
-        )
+        Q(created_at__lt=timezone.now() - timedelta(days=int(os.environ.get("UNUPLOADED_ASSET_DELETE_DAYS", "7"))))
         & Q(is_uploaded=False)
     ).delete()