Bug 34316: Add_credit should rethrow an exception correctly

Bug 34316: Add_credit should rethrow an exception correctly

Found while running Items.t on top of 33608.
Another exception was thrown but not rethrown.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit fa9750e24de0a6300d683a1316b64e9bed248c4b)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 2b1b8884ccd49e28bdf31a3c977a876a0f8c5283)
Signed-off-by: Pedro Amorim <pedro.amorim@ptfs-europe.com>