[web] Add navigation state info to the topbar

Summary:
issue: https://linear.app/comm/issue/ENG-2740/add-navigation-state-info-to-the-top-bar
Add NavStateInfoBar to the topbar.

Test Plan: Run web app, checked that the navigation state info shows up in the topbar, and the animations work correclty.

Reviewers: kamil, michal, bartek

Reviewed By: bartek

Subscribers: ashoat, tomek, atul

Differential Revision: https://phab.comm.dev/D6842