Fix missing cursor data for paging Projects by creation date

Summary: Fixes T10478.

Test Plan: Paged projects by "Created" without errors.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10478

Differential Revision: https://secure.phabricator.com/D15367

src/applications/project/query/PhabricatorProjectQuery.php

@@ -187,6 +187,7 @@ final class PhabricatorProjectQuery
   protected function getPagingValueMap($cursor, array $keys) {
     $project = $this->loadCursorObject($cursor);
     return array(
+      'id' => $project->getID(),
       'name' => $project->getName(),
     );
   }