When creating a new user record the form has diku_admin username and password

Overview: The new user record form has data for the admin_diku user in the username and password fields.

Steps to repro:

1. Log into folio-testing
2. Go to User app
3. Click '+ New'

Expected:
Get an empty form for the new User record.

Actual:
The two first entry fields are filled in with data for the diku_admin user - the username and the password.

Additional info: See screencast https://screencast.com/t/BkofbM29d