lfs: default to basic transfer API

Author: sisp

src/scmrepo/git/lfs/client.py

@@ -196,7 +196,7 @@ async def _get_one(from_path: str, to_path: str, **kwargs):
                     callback.relative_update()
 
         resp_data = await self._batch_request(objects, **kwargs)
-        if resp_data.get("transfer") != "basic":
+        if resp_data.get("transfer", "basic") != "basic":
             raise LFSError("Unsupported LFS transfer type")
         coros = []
         for data in resp_data.get("objects", []):