Bug 19260: Holds marked as problems being seen as expired ones and deleted wrongly

Bug 19260: Holds marked as problems being seen as expired ones and deleted wrongly

Test plan:
0) Apply just the first patch - the one with test
1) Run t/db_dependent/Reserves.t - test for CancelExpiredReserves should
fail
2) Apply the second patch
3) t/db_dependent/Reserves.t should pass now

Followed test plan, patch worked as described. Passes QA test tool

Signed-off-by: Alex Buckley <alexbuckley@catalyst.net.nz>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>