Bug 24085: Make print and cancel-hold buttons instead of submit

Bug 24085: Make print and cancel-hold buttons instead of submit

 To test:
 1 - Place a hold on an item
 2 - Check in the item to trigger the hold
 3 - Test both the print and cancel buttons to make sure all looks
     correct

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Joy Nelson <joy@bywatersolutions.com>