R1:42e46bbe5a91

Fix an issue where Herald rules could fail to evaluate at post-commit time

Summary: Ref T13480. Some Herald fields need audit information, which recent changes to Herald adapters discarded. For now, just load it unconditionally.

Test Plan: Triggered an Audit-related rule locally.

Maniphest Tasks: T13480

Differential Revision: https://secure.phabricator.com/D20962