Hovercards - allow public access

Summary: see title

Test Plan: set config to allow public access and viewed a hovercard uri. saw a hovercard with little info as opposed to login prompt. Fixes T6337.

Reviewers: epriestley, chad

Reviewed By: chad

Subscribers: Korvin, epriestley

Maniphest Tasks: T6337

Differential Revision: https://secure.phabricator.com/D10722

src/applications/search/controller/PhabricatorSearchHovercardController.php

@@ -3,6 +3,10 @@
 final class PhabricatorSearchHovercardController
   extends PhabricatorSearchBaseController {
 
+  public function shouldAllowPublic() {
+    return true;
+  }
+
   public function processRequest() {
     $request = $this->getRequest();
     $user = $request->getUser();