Repair how the JS inspects the results of
open-ils.search.authority.simple_heading.from_xml.batch.atomic, which is
used to look up matches for authority validation. It returns a more
complex structure in the brave new world of authority control sets.
Signed-off-by: Bill Erickson <berick@esilibrary.com> Signed-off-by: Mike Rylander <mrylander@gmail.com> Signed-off-by: Lebbeous Fogle-Weekley <lebbeous@esilibrary.com>