Summary: Ref T8726. Just (pre-commit content) one more left. Test Plan: - Created a big rule with every field. - Migrated it. - Verified the rule was still the same. - Pushed a bunch of changes and reviewed the transcripts. Reviewers: btrahan Reviewed By: btrahan Subscribers: epriestley Maniphest Tasks: T8726 Differential Revision: https://secure.phabricator.com/D13600