[lib/native] introduce UserProfileMessageButton

Summary:
This diff introduces the UserProfileMessageButton component that will be rendered on a user profile. This button will be used to navigate to a thread between the viewer and the user of the profile

Figma designs (left is when there in no block in either direction and right is when there is a block in either direction):

Depends on D9247

Test Plan:
Please see the demo video below

anonymous user:

block in either direction is active:

Reviewers: atul, inka

Reviewed By: atul

Subscribers: kamil, ashoat, tomek

Differential Revision: https://phab.comm.dev/D9252