R1:eb296796aaa5

Migrate Project sort and filter defaults to modular transactions

Test Plan: Unit tests pass, manually changed the default sort and filter on a workboard and observed expected transactions in the DB.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D18013