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/diffusion/controller/DiffusionBrowseController.php

@@ -79,7 +79,7 @@ final class DiffusionBrowseController extends DiffusionController {
       }
 
       $phids = array_keys($phids);
-      $handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();
+      $handles = $this->loadViewerHandles($phids);
 
       $browse_table = new DiffusionBrowseTableView();
       $browse_table->setDiffusionRequest($drequest);