[Redesign] PHUIPagerView

Summary: Ref T8099, Moves AphrontPagerView to PHUIPagerView, converts to standard PHUIButtons and adds some additional features for icon placement on buttons.

Test Plan: Tested Advanced Search and Searching files in Diffusion. Works as expected.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T8342, T8099

Differential Revision: https://secure.phabricator.com/D13092

src/applications/drydock/controller/DrydockResourceViewController.php

@@ -42,7 +42,7 @@ final class DrydockResourceViewController extends DrydockResourceController {
       ->render();
     $lease_list->setNoDataString(pht('This resource has no leases.'));
 
-    $pager = new AphrontPagerView();
+    $pager = new PHUIPagerView();
     $pager->setURI(new PhutilURI($resource_uri), 'offset');
     $pager->setOffset($request->getInt('offset'));