R1:415e4d4cc135

Modularize all remaining Pholio Herald fields

Summary: Ref T8726. Use modular fields for the Pholio adapter.

Test Plan:
- Created rule using all the old fields.
- Migrated, saw upgrade apply correctly.
- Created mock, reviewed transcript.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: eadler, epriestley

Maniphest Tasks: T8726

Differential Revision: https://secure.phabricator.com/D13513