Correct rendering of "Another Herald Rule" conditions in Herald
Summary: Fixes T8920. These are semi-magical and need to be slightly special cased, now.
Test Plan: {F654502}
Reviewers: chad, btrahan
Reviewed By: btrahan
Subscribers: epriestley
Maniphest Tasks: T8920
Differential Revision: https://secure.phabricator.com/D13696