SetUser on Timeline UIExample

Summary: Fixes T9103, sets the user

Test Plan: visit uiexamples timeline

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9103

Differential Revision: https://secure.phabricator.com/D13823

src/applications/uiexample/examples/PHUITimelineExample.php

@@ -196,6 +196,7 @@ final class PHUITimelineExample extends PhabricatorUIExample {
     }
 
     $timeline = id(new PHUITimelineView());
+    $timeline->setUser($user);
     foreach ($events as $event) {
       $timeline->addEvent($event);
     }