Restore "Query:" to page title in application search

Summary: Fixes T7055. Omitting this from the crumbs is an improvement, but page titles like "New" seem better with a little more context.

Test Plan: Saw "Query:" in page titles only.

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T7055

Differential Revision: https://secure.phabricator.com/D11931