Add arcanist project phid to differential.query

Summary: Fixes T3535. Also, flip flop on that spacing thing and make the spaces purdy

Test Plan: got an arcanist projected phid in the json dict

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, epriestley, aran

Maniphest Tasks: T3535

Differential Revision: https://secure.phabricator.com/D7565