Improve browsability of Almanac service datasource query

Summary: Ref T5750. Update the Almanac service query to be browsable.

Test Plan:
  - Browsed and reordered Diffusion.
  - Browsed and reordered services in Almanac.

{F373735}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T5750

Differential Revision: https://secure.phabricator.com/D12433

src/applications/repository/query/PhabricatorRepositorySearchEngine.php

@@ -27,7 +27,6 @@ final class PhabricatorRepositorySearchEngine
 
   public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
     $query = id(new PhabricatorRepositoryQuery())
-      ->setDefaultBuiltinOrder()
       ->needProjectPHIDs(true)
       ->needCommitCounts(true)
       ->needMostRecentCommits(true);
@@ -43,10 +42,7 @@ final class PhabricatorRepositorySearchEngine
       $query->withStatus($status);
     }
 
-    $order = $saved->getParameter('order');
-    if ($order) {
-      $query->setOrder($order);
-    }
+    $this->setQueryOrder($query, $saved);
 
     $hosted = $saved->getParameter('hosted');
     $hosted = idx($this->getHostedValues(), $hosted);