Set viewer for all handles loaded in controllers

Summary:
I've replaced all `id(new PhabricatorObjectHandleData(...))->loadHandles()` by `$this->loadViewerHandles(...)`.
Lint caught one usage in a static method.

Test Plan: Displayed revision with sporadic author.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3432

src/applications/files/controller/PhabricatorFileListController.php

@@ -209,7 +209,7 @@ final class PhabricatorFileListController extends PhabricatorFileController {
     $this->setListPager($pager);
 
     $phids = mpull($files, 'getAuthorPHID');
-    $handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();
+    $handles = $this->loadViewerHandles($phids);
 
     $highlighted = $request->getStr('h');
     $highlighted = explode('-', $highlighted);