Summary: Ref T13319. Ref PHI1302. Migrate `PhabricatorEditEngineConfigurationTransaction` to modular transactions and add some additional transaction rendering to make these edits less opaque.
Test Plan: Hit all the form edit controllers, viewed resulting transaction timeline.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin
Maniphest Tasks: T13319
Differential Revision: https://secure.phabricator.com/D20595
