Ability to select a staff member that had been previously offboarded to then be onboarded again.

So if someone has left and come back they can be onboarded using the Onboarding Workflow. As these staff tend to have permissions removed it should allow the same selections when onboarding a user.

Be handy if it was in the existing Onboarding Crate so say User Exists prompt to ask if we wish to re-enable and onboard them.