[Redesign] Use status icons in Maniphest task list
Summary: Ref T8099, Fixes T8339. This lets us pull in the status icon and display in lists and object headers.
Test Plan: Look at a list of open and closed tasks, see icons match state (duplicate, spite, defaults).
Reviewers: epriestley, btrahan
Reviewed By: btrahan
Subscribers: epriestley, Korvin
Differential Revision: https://secure.phabricator.com/D13490