Implement "Sort by Points" on workboards
Summary: Depends on D20275. Fixes T10578. This is a static sorting (like "By Date Created") where you can't change point values by dragging. You can still drag cards between columns, or use the "Edit" icon to change point values.
Reviewed By: amckinley
Maniphest Tasks: T10578
Differential Revision: https://secure.phabricator.com/D20276