[Admin] ability to add collaborators into application - small fix
[Admin] ability to add collaborators into application - small fix

[Trello Story](https://trello.com/c/xLQDHRCp/719-qae-support-allow-admins-to-add-users-as-collaborators-into-an-application)

bitzesty/qae,bitzesty/qae,bitzesty/qae,bitzesty/qae