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 next part of the stack will introduce the concept of "vip users" (happy to change the name of this just couldn't think of anything better). "vip users" will be selected users that are visually separated from the other users (similar to Linear). For context here is what the selected vip users section should look like:
As I was implementing this I realized that pendingUsersToAdd should actually be a map and not a set. This diff makes that following change
Linear task: https://linear.app/comm/issue/ENG-5960/selected-users-section
Depends on D10747