setting `visible=False` to `gr.Group` hides it (#4567)
* import init
* visible=False in Group
* restore
* changelog
* Update js/app/src/components/Group/Group.test.ts
Co-authored-by: pngwn <hello@pngwn.io>
---------
Co-authored-by: pngwn <hello@pngwn.io>
