gradio

a966e9f7 - Hide upload button after upload when `file_count="single"` (#9946)

Hide upload button after upload when `file_count="single"` (#9946) * format' * add changeset * add story --------- Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com> Co-authored-by: Hannah <hannahblair@users.noreply.github.com>