Bug 30907: Fix incorrect uses of Koha::Recall->item_level_recall

Bug 30907: Fix incorrect uses of Koha::Recall->item_level_recall

This attribute name was changed to *item_level* but this two remaining
places kept calling it with the old name.

To test, verify things don't explode when looking at checkouts with
recalls and also in the log viewer.

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>