Add Application Routes to Phame AppSearch queries

Summary: Fixes T9388, lays in basic ApplicationSearch.

Test Plan: Build a dashboard with Posts and Blogs, click on search icon, get sent to correct page.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9388

Differential Revision: https://secure.phabricator.com/D14146