Bugfix: Fix color and size keys in theme builder app (#7756)
* Bugfix: Update color and size keys in theme builder app
* add changeset
* add changeset
* changes
* changes
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Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: aliabid94 <aabid94@gmail.com>
Co-authored-by: Ali Abid <aliabid94@gmail.com>
