* Implement POST /users/search endpoint for APIv4
* PLT-2713 Added store functions for searching users that don't have a team
* PLT-2713 Added 'without_team' option when searching users
* PLT-2713 Added 'without_team' option when searching users (v4)
* Add options to user database search
* Fix inactive users showing up incorrectly in some user searches
* Read JSON for searchUsers API into anonymous struct
* Move anonymous struct to be a normal struct in model directory and upadte client to use it
* Added clarification comment about slightly odd query condition in search