Bug 22993: Handle default messaging preferences during patron creation from API

Bug 22993: Handle default messaging preferences during patron creation from API

TO test:
1 - Set default messaging preferences for a patron category
2 - Create a patron in that category using the API
3 - Verify messaging preferences are not set
4 - Apply patch, restart all
5 - Create another patron
6 - Verify messaging preferences are correctly set
7 - prove -v t/db_dependent/api/v1/patrons.t

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>