Subject: save O attr in subject hash for zendesk
Subject: save O attr in subject hash for zendesk

Save also the "o" (organizationName) attribute in the subject hash to
use for zendesk login.

(So far, generate_zendesk_claim was also passing nil as the "o" field).

University-of-Auckland/rapidconnect,ausaccessfed/rapidconnect,University-of-Auckland/rapidconnect,ausaccessfed/rapidconnect,University-of-Auckland/rapidconnect,ausaccessfed/rapidconnect,University-of-Auckland/rapidconnect,ausaccessfed/rapidconnect