- Updated existing tests now affected by my-account changes.
- Updated some existing tests to more accuractly check the scenario.
- Updated some code styling in SocialController.
- Fixed redirects for social account flows to fit my-account.
- Added test for social account attaching.
- Added test for api token redirect handling.
Ensures some sensible text is always in webhook text data.
Also aligned some notification reporting to use centralised activity
system instead of custom success events.
For #4216
