Bug 25261: Require confirmation of multiple parts items

Bug 25261: Require confirmation of multiple parts items

Test plan
1/ Catalogue an item to contain multiple parts by populating 'Materials
specified (bound volume or other part)'
2/ Enable the new system preference 'CircConfirmParts'
3/ Attempt to checkout the item created in step 1 to a user and note
that confirmation is now required.
4/ Checkout the item
5/ Attempt to checkin the item you have just checked out and note that
confirmation is required.
6/ Signoff

Sponsored-by: Royal College of Music [https://www.rcm.ac.uk/]
Sponsored-by: PTFS Europe [https://ptfs-europe.com/]
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>