R1:76d4e85bfc1b

Only hide archived project tags on workboard cards

Summary: Fixes T10413. I accidentally hid these //everywhere//, but only intended to hide them on workboards.

Test Plan:
- Viewed a workboard, saw un-archived projects only.
- Viewed a task detail page, saw archived and un-archived projects.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10413

Differential Revision: https://secure.phabricator.com/D15335