Bug 13410 - Untranslatable "Change messaging preferences to default for this category?"

Bug 13410 - Untranslatable "Change messaging preferences to default for this category?"

To test:
In staff client, go to Home > Patrons
Click button "New patron" and choose a category
Change Patron messaging preferences
Now change Category
Make sure that following message box still appears: "Change messaging
preferences to default for this category?"

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
(cherry picked from commit 6d37e83e4dc98d4e5a061428386eb4ce0c05ef33)
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>