Support Spaces in Passphrase
Summary: Ref T8493. This stuff mostly takes care of itself now.
Test Plan: Shifted stuff between spaces, verified transactions/headers showed up correctly. Queried by space.
Reviewers: btrahan
Reviewed By: btrahan
Subscribers: joshuaspence, epriestley
Maniphest Tasks: T8493
Differential Revision: https://secure.phabricator.com/D13386