Admin user management - replace user

This is a utility to transfer all content (assignments/fields/creator/updater, memberships, files) from one user to another (e.g the user has duplicate accounts and needs to move all content to the new account).

Details

New "Replace User" button in the Org admin page.

Dialog to explain the purpose and search for users

Warning message when selected

Results view - with new action button to go to Revoke dialog

Pre-select same user in Revoke dialog (for logging out/unlinking/anonymising):