Hub snapshot_download not compatible with Windows

[jeffmaury]

It is using symlink which is rejected on most Windows configurations (requires administrator priviledges)

Should use helper function similar to

https://github.com/huggingface/huggingface_hub/blob/fcfd14361bd03f23f82efced1aa65a7cbfa4b922/src/huggingface_hub/file_download.py#L517

[coyotte508]

cc @axel7083 for viz (just for viz, no need to do anything :) )