TODO: (0.5h) implement the enrollment type and optional enrollment date fields from simulation-enrollment.tcl and cvs remove simulation-enrollment.adp/tcl

TODO: (0.5h) change invited/mandatory checkboxes to a single radio button set per row: invited/mandatory/neither invited nor mandatory or preferably use Javascript with checkboxes Manage groups

Auto-Enroll takes effect, and invitations are sent, when this wizard is completed and casting begins.