Bug 14687: Patron's transaction history changes items' order after paying fines.

Bug 14687: Patron's transaction history changes items' order after paying fines.

Sorts Patron's accounting data consistently from newest to oldest.
It doesn't depend on anymore to timestamp (which can be same for multiple
entries) from database but instead uses accountline's id to sort.

Signed-off-by: Liz Rea <liz@catalyst.net.nz>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 307fe0ac533c2dc8116a183d104c864717a91fc5)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>