This diff makes the message author avatar + name interactive. When a user clicks on this component, the user profile modal will be pushed
Linear Task:
https://linear.app/comm/issue/ENG-5240/make-user-profile-accessible-from-message-author-avatar
https://linear.app/comm/issue/ENG-5241/make-user-profile-accessible-from-message-author-name
Depends on D9477