Phriction - stop leaking document titles you can't see
Summary: Fixes T6495. convert ad hoc query to a PhrictionDocumentQuery, thus enforcing view permissions
Test Plan: noted my test user a had a great wiki while test user b couldn't see most things.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T6495
Differential Revision: https://secure.phabricator.com/D10822