R1:3a881f5108d9

Put "Task" first on global search result type list

Summary: Fixes T4606. Also shortens two unusual type names which are currently inconsistent.

Test Plan: Expanded advanced search.

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T4606

Differential Revision: https://secure.phabricator.com/D8853