* Prepare factories and associations for Users::DeleteActivity specs
* Altered user associations, delete the needed associations in Users::DeleteActivity
* Moved and refined user deletion spec
* Removed useless commented user associations
* Refactored BackupData factory
* Refactored ProfilePin factory
* Refactored Reaction factory
* Fixed specs: Keep default _type in factories or specify it in tests
* Ok, notes shouldn't be deleted on user deletion
* Fixed creating reactable for specs
* Specify commentable/commentable_type explicitly when creating data for tests
* Fixed typo in the comments spec
* Removed unnneeded space
* Added aggregate_failures for testing user associations deletion
* Keep feedback_messages while deleting user activities
* Prevent need for eager loading
* Add initial implementation of user block
* Remove debugger oops
* Add index and foreign keys for user_block table
* Use private method instead of exists
* Move channel handling logic to service object
* Update styling a bit
* Use profileDropdown file for future proofing
* Remove commented out code
* Render json: { result } for all endpoints
* Add statuses for sad paths
* Add better sad path handling in the JS
* Remove accidentally committed spec file
* Don't wait for DOM to load block button
* Use equality for accuracy in slug query
* Add status code for unauthorized requests
* Add missing comma sigh
