[web] Clear error message during switching between tabs in ThreadSettingsModal

Summary:
Depends on D5220

Improving UX of the ThreadSettingsModal

Main change:

• clear error message when current active tab changes

Test Plan:

1. Go to any chat
2. Go to Thread Menu > Settings (ThreadSettingsModal)
3. Trigger any error (e.g. type wrong password in Delete tab)
4. Switch to another tab

Now error message disappear

Reviewers: tomek, atul

Reviewed By: tomek, atul

Subscribers: ashoat, tomek, atul, abosh

Differential Revision: https://phab.comm.dev/D5222