Try to guess a name for the 'Add to Dashboard' workflow

Summary: Ref T5307. Just makes the dialog a little easier to use. Picks a name if we already have one.

Test Plan: Test a builtin, custom saved, and a new advanced search (no name).

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T5307

Differential Revision: https://secure.phabricator.com/D17523

src/applications/dashboard/controller/PhabricatorDashboardQueryPanelInstallController.php

@@ -45,6 +45,11 @@ final class PhabricatorDashboardQueryPanelInstallController
       return new Aphront404Response();
     }
 
+    $named_query = idx($engine->loadEnabledNamedQueries(), $v_query);
+    if ($named_query) {
+      $v_name = $named_query->getQueryName();
+    }
+
     $errors = array();
 
     if ($request->isFormPost()) {