Fixes fatal when searching for user projects in maniphest

Summary:
Adds the phids of users entered into any user project query to handles phids for handle loading

Fixes T3395

Test Plan: Load page that was previous breaking

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T3395

Differential Revision: https://secure.phabricator.com/D6250

src/applications/maniphest/controller/ManiphestTaskListController.php

@@ -577,6 +577,7 @@ final class ManiphestTaskListController extends ManiphestController {
       $author_phids,
       $project_group_phids,
       $any_project_phids,
+      $any_user_project_phids,
       array_mergev(mpull($data, 'getProjectPHIDs')));
     $handles = id(new PhabricatorObjectHandleData($handle_phids))
       ->setViewer($viewer)