[web] make user profile accessible from member component

Summary:
This diff makes the member component interactive. When a user clicks on this component, the user profile modal will be pushed

Linear task:

https://linear.app/comm/issue/ENG-5242/make-user-profile-accessible-from-thread-member

Depends on D9481

Test Plan:
Please see demo video below:

Reviewers: atul, inka

Reviewed By: atul

Subscribers: ted, ashoat, tomek, wyilio

Differential Revision: https://phab.comm.dev/D9483