Fix mobile action menus in Phriction

Summary: Fixes T6963. Long term will likely make this more like other document views, but not worth the time right now since this is only location.

Test Plan: Review Phriction document at desktop and mobile breakpoints. Click menu and see menu.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6963

Differential Revision: https://secure.phabricator.com/D11420

src/applications/phriction/controller/PhrictionDocumentController.php

@@ -200,11 +200,14 @@ final class PhrictionDocumentController
       $prop_list = new PHUIPropertyGroupView();
       $prop_list->addPropertyList($properties);
     }
+    $action_id = celerity_generate_unique_node_id();
+    $actions->setID($action_id);
 
     $page_content = id(new PHUIDocumentView())
       ->setOffset(true)
       ->setFontKit(PHUIDocumentView::FONT_SOURCE_SANS)
       ->setHeader($header)
+      ->setActionListID($action_id)
       ->appendChild(
         array(
           $actions,