PLEASE NOTE THAT THIS DIFF AND SUBSEQUENT DIFFS IN THIS STACK WILL NOT BE LANDED UNTIL MORE OF THE REDESIGN IS READY SINCE THIS WILL CAUSE REGRESSIONS IN PROD
This diff updates the chat message list ui to match the ui in the new web app redesign. In this diff I did the following:
- I removed the set background color so that the thread message list will inherit the panel background color
- Added 8px of horizontal padding to the messages
- Added 16px to the bottom of the message list container
Linear task: https://linear.app/comm/issue/ENG-5936/message-list-ui-redesign
Depends on D10564