Further modularize Herald values
Summary: Ref T8726. Modularize action values. Fully modularize "text", "none" and "select" controls. Only tokenizers remain.
Test Plan:
- Used all affected value types in UI.
- Reviewed rules using new modular rendering, saw sensible output.
Reviewers: btrahan
Reviewed By: btrahan
Subscribers: epriestley
Maniphest Tasks: T8726
Differential Revision: https://secure.phabricator.com/D13614