[native] make user profile accessible from message author avatar

Summary:
This diff makes the user avatar in the message thread a TouchableOpacity that will navigate to the user profile whenever onPress is triggered

Depends on D9286

Test Plan:
Please see the demo video below

Reviewers: atul, inka

Reviewed By: atul

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D9289