Check for `file_types` parameter in the backend (#9431)
* file check fix
* format
* add changeset
* tests
* add changeset
* Update gradio/components/file.py
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
* Update client/python/gradio_client/utils.py
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
* fixes
* fixes
* test fix
* test fix
* test
---------
Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
