Load audit requests when querying audits

Summary: Fixes T9434. I'm not sure exactly what changed behavior here, but we need a `needAuditRequests()`.

Test Plan: Ran a query which hit the exception (empty query was good enough, locally), then applied this patch; saw exception go away.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T9434

Differential Revision: https://secure.phabricator.com/D14162

src/applications/audit/conduit/AuditQueryConduitAPIMethod.php

@@ -37,7 +37,8 @@ final class AuditQueryConduitAPIMethod extends AuditConduitAPIMethod {
   protected function execute(ConduitAPIRequest $request) {
 
     $query = id(new DiffusionCommitQuery())
-      ->setViewer($request->getUser());
+      ->setViewer($request->getUser())
+      ->needAuditRequests(true);
 
     $auditor_phids = $request->getValue('auditorPHIDs', array());
     if ($auditor_phids) {