Use standard tag elements instead of "maniphest project tag" to show tags in list views

Summary:
Standardizes tag rendering in Maniphest and Maniphest/Diffusion list views.

(This might need some size/spacing tweaks, I tried to make it look reasonable.)

Test Plan: See screenshots.

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D9741

src/applications/repository/query/PhabricatorRepositorySearchEngine.php

@@ -286,7 +286,7 @@ final class PhabricatorRepositorySearchEngine
         $repository->getProjectPHIDs());
       if ($project_handles) {
         $item->addAttribute(
-          id(new ManiphestTaskProjectsView())
+          id(new PHUIHandleTagListView())
             ->setHandles($project_handles));
       }