[feature/MOB-560] Magic link login

[franciscoaleixo]

What does this PR do?

Adds support for magic link login.

How should this be manually tested?

Check the same flows as vanilla for logging in with magic link.

What are the relevant tickets?

MOB-560

Code Review Checklist

• [ ] Documentation on public interfaces
• [ ] Remove comments & unused code & forgotten testing Logs
• [ ] Codestyle
• [ ] Functional tests pass