Prevent many call participants from overflowing the title bar (#4173)
Marshall Bowers
created
This PR fixes an issue where having a lot of participants in a call
could cause the avatars/facepiles to overflow the title bar, pushing the
call controls off-screen.
The participant list will now scroll when it would otherwise exceed the
available space:
https://github.com/zed-industries/zed/assets/1486634/806c77e6-bd4c-4864-8567-92e0960734ee
Release Notes:
- Fixed participant list overflowing the title bar.