Bug 28136: Handle Transferred status for ResFound

Bug 28136: Handle Transferred status for ResFound

bug 25690 added a new 'Transferred' status to 'ResFound', this status
needs to be handled in circ/returns.pl

To test:
1 - Place a hold on an item at Branch B for pickup at Branch A
2 - Check in the item at Branch B - confirm hold and transfer
3 - Check in the item at Branch A - nothing happens?
4 - Apply patch
5 - Checkin in the item at Branch A - hold popup appears
6 - Clear the hold and place it again
7 - Set system preference 'HoldsAutoFill' to do
8 - Check in the item at Branch B - hold is found and confirmed
9 - Check in the item at Branch A - hold is found and confirmed

Signed-off-by: Joonas Kylmälä <joonas.kylmala@helsinki.fi>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>