Tokens - make action disabled if user not logged in

Summary: ref T2691. These actions should be visually disabled if user not logged in consistently. Tokens was the odd one out, staying active regardless of user status.

Test Plan: viewed a mock logged out and verified "give token" was inactive from a UI-sense

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2691

Differential Revision: https://secure.phabricator.com/D6385

src/applications/tokens/event/PhabricatorTokenUIEventListener.php

@@ -54,6 +54,9 @@ final class PhabricatorTokenUIEventListener
         ->setName(pht('Rescind Token'))
         ->setIcon('dislike');
     }
+    if (!$user->isLoggedIn()) {
+      $token_action->setDisabled(true);
+    }
 
     $actions = $event->getValue('actions');
     $actions[] = $token_action;