on_demand: be smarter when trying to retrieve order_id
on_demand: be smarter when trying to retrieve order_id

Signed-off-by: Pierre-Alexandre Meyer <ff019a5748a52b5641624af88a54a2f0e46a9fb5@mouraf.org>

killbill/killbill-cybersource-plugin,killbill/killbill-cybersource-plugin,SquareMike/killbill-cybersource-plugin,SquareMike/killbill-cybersource-plugin,killbill/killbill-cybersource-plugin,SquareMike/killbill-cybersource-plugin