* Move SignedInUser to user service and RoleType and Roles to org
* Use go naming convention for roles
* Fix some imports and leftovers
* Fix ldap debug test
* Fix lint
* Fix lint 2
* Fix lint 3
* Fix type and not needed conversion
* Clean up messages in api tests
* Clean up api tests 2
* backend/dashboard snapshots: refactor leftover models and mocks
* Move all dashboard snapshot-related models into the dashboardsnapshotservice package
* Remove leftover dashboard-related mocks from the mockstore