* main: (318 commits)
Document the new sign in method
Replace handle_ naming
Use same constant for fake magic links
Replace FakeMagicLink with a temporary object
Tidy up session_token
Clean up interfaces
Split tests by controller or responsibility
Simplify auth logic
Fix due to unit test when creating with invalid emails
Restore sessions_controller test on creating invalid email address
Move magic link api tests to their own files
Rename test to clarify what they're about
Cleanup session creation
Update to always return a pending auth token for JSON responses.
Update API test for cross code
Change test expectation on single tenant mode account creation
Add unit tests for the new endpoints
Pass a server token when creating a magic link via API
Simplify code a bit
Simplify session create logic for both html and json
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Andy Smith