* Add support for bulk confirm
* Add missing sproc to migration
* Change ConfirmUserAsync to internally use ConfirmUsersAsync
* Refactor to be a bit more readable
* Change BulkReinvite and BulkRemove to return a list of errors/success
* Refactor
* Fix removing owner preventing removing non owners
* Add another unit test
* Use fixtures for OrganizationUser and Policies
* Fix spelling
* Sso user table, model and repo stubbed out
* switch to nullable org id, bigint id
* update GetBySsoUserAsync
* cleanup migrator file
* fix EF user repo
* fix pg repo
* is `IS NULL` checks
* unique indexes
* update migration scripts
* add another unique index
* remove old script