Prevent channel from vertically growing when containing facepile (#6439)

Julia created

Previously at UI font size of 20
 - User-less channel: 28 px tall
 - Occupied channel: 30 px tall
 
Now, still at UI font size 20:
 - User-less channel: 30 px tall
 - Occupied channel: 30 px tall

Release Notes:

- Fixed an issue where a channel would grow in height while showing
participant avatars.

Change summary

crates/collab_ui/src/collab_panel.rs | 1 +
1 file changed, 1 insertion(+)

Detailed changes