O3.3 - Implement final design of user flows created on O3.2.

• A1 - Implement final design of user flows part 1 and 2.
• A2 - Test and refine solutions developed under O3.2 by including them on nightly releases so users in the Global South can give us feedback early in the release process.

MR with proposal in tor-browser-spec!7 (closed)