Restore column point counts to workboards
Summary: Ref T4427.
Test Plan:
- Dragged a 17 XP task from "Hunting" to "Slain".
- Saw 17 XP move.
- Level up!
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T4427
Differential Revision: https://secure.phabricator.com/D15237