Wires the previously-unused fis_admin_* user/group stored procs into the Admin
module (fds_sys-gated), adds a users grid with a per-row ribbon (reset
password, change email, manage group membership), and always emails a
password reset result to the user rather than showing it to the admin.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
