107 channel touch ups (#3087)

Release Notes:

- Add user avatars to channel chat messages
- Group messages by sender
- Fix visual bugs in new chat and note buttons
b0e56b7c54Mikayla Maki committed on 10/4/2023, 10:14:39 PM· committed by GitHubparentsdf2fa872f3c3d5
5 files changedLine totals unavailable