Calendar event detail page should show host.

Summary: Ref T8027, Calendar event deatil page should show host.

Test Plan: Open calendar event, property list should include the host.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Maniphest Tasks: T8027

Differential Revision: https://secure.phabricator.com/D12683

src/applications/calendar/controller/PhabricatorCalendarEventViewController.php

@@ -201,6 +201,10 @@ final class PhabricatorCalendarEventViewController
       $invitee_list->addItem($item);
     }
 
+    $properties->addProperty(
+      pht('Host'),
+      $viewer->renderHandle($event->getUserPHID()));
+
     $properties->addProperty(
       pht('Invitees'),
       $invitee_list);