Fix collab panel regressions (#2915)

Release Notes:

- Fixed a bug where collaborators' cursors were rendered with the wrong
color when not following them (preview only).
- Fixed an issue where icons were inconsistent sizes in the
collaboration panel (preview only).
6d60960fd2Max Brunsfeld committed on 8/30/2023, 9:41:37 PM· committed by GitHubparents166585af9dffc1
2 files changedLine totals unavailable