Use ApplicationSearch for Drydock Blueprints

Summary: Ref T2015. This turns the side nav into a bigger mess for now, but uses ApplicationSearch for blueprints.

Test Plan: Queried blueprints in the UI.

Reviewers: btrahan

Reviewed By: btrahan

CC: hach-que, aran

Maniphest Tasks: T2015

Differential Revision: https://secure.phabricator.com/D7829

src/applications/search/controller/PhabricatorApplicationSearchController.php

@@ -154,8 +154,8 @@ final class PhabricatorApplicationSearchController
     }
 
     $nav->selectFilter(
-      'query/'.$saved_query->getQueryKey(),
-      'query/advanced');
+      $engine->getNavPrefix().'query/'.$saved_query->getQueryKey(),
+      $engine->getNavPrefix().'query/advanced');
 
     $form = id(new AphrontFormView())
       ->setUser($user);