Correct rendering of "Another Herald Rule" conditions in Herald

Summary: Fixes T8920. These are semi-magical and need to be slightly special cased, now.

Test Plan: {F654502}

Reviewers: chad, btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T8920

Differential Revision: https://secure.phabricator.com/D13696

src/applications/herald/field/HeraldAnotherRuleField.php

@@ -35,4 +35,14 @@ final class HeraldAnotherRuleField extends HeraldField {
       ->setOptions(array());
   }
 
+  public function renderConditionValue(
+    PhabricatorUser $viewer,
+    $condition,
+    $value) {
+
+    $value = (array)$value;
+
+    return $viewer->renderHandleList($value);
+  }
+
 }