LP2044273 Store use-authoritative as Login Session Item
This allows the flag to reset and force a recheck of the value with
every login/logout.
Signed-off-by: Bill Erickson <berickxx@gmail.com> Signed-off-by: Michele Morgan <mmorgan@noblenet.org> Signed-off-by: Jane Sandberg <js7389@princeton.edu> Signed-off-by: Garry Collum <gcollum@gmail.com> Signed-off-by: blake <blake@mobiusconsortium.org> Signed-off-by: Steven Mayo <smayo@georgialibraries.org>