Video gallery (#9052)
* video support
* tests and backend changes
* undo main merge
* upload fix
* Revert "undo main merge"
This reverts commit e2a26e6d28772587dadce2bb00c3581f97883664.
* type fixes
* format
* pr fixes
* Update gradio/components/gallery.py
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
* Update gradio/components/gallery.py
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
* type fix
* thumbnails
* thumbnail type
* remove thumbnail generation
* add changeset
* test fixes
* test fixes
* python test fix
* python test fixc
* fix
* fix
* story fix
---------
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
