5-pick-up-library-not-defaulting-to-patrons-home-library
when creating new requests, given a user, default to the user's pickup library
preference setting, or absent a preference, default to their home library.
Absent a user, default to the pickup library selector value from the request
list, if it's of an org type that can have volumes. Otherwise, default to the
workstation library. Technically, the without-a-user behavior is going to be
mooted whenever a user is chosen.
Signed-off-by: Jason Etheridge <jason@EquinoxInitiative.org>