[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/diffusion/controller/DiffusionHistoryController.php

@@ -32,7 +32,7 @@ final class DiffusionHistoryController extends DiffusionController {
     $history = DiffusionPathChange::newFromConduit(
       $history_results['pathChanges']);
 
-    $pager = new AphrontPagerView();
+    $pager = new PHUIPagerView();
     $pager->setPageSize($page_size);
     $pager->setOffset($offset);
     $history = $pager->sliceResults($history);