Add showPageNumbers for relations (#1095)

Author: mjauvin

modules/backend/behaviors/RelationController.php

@@ -669,6 +669,7 @@ protected function makeViewWidget()
             $config->showSorting = $this->getConfig('view[showSorting]', true);
             $config->defaultSort = $this->getConfig('view[defaultSort]');
             $config->recordsPerPage = $this->getConfig('view[recordsPerPage]');
+            $config->showPageNumbers = $this->getConfig('view[showPageNumbers]', false);
             $config->showCheckboxes = $this->getConfig('view[showCheckboxes]', !$this->readOnly);
             $config->recordUrl = $this->getConfig('view[recordUrl]');
             $config->customViewPath = $this->getConfig('view[customViewPath]');
@@ -820,6 +821,7 @@ protected function makeManageWidget()
             $config->showSorting = $this->getConfig('manage[showSorting]', !$isPivot);
             $config->defaultSort = $this->getConfig('manage[defaultSort]');
             $config->recordsPerPage = $this->getConfig('manage[recordsPerPage]');
+            $config->showPageNumbers = $this->getConfig('manage[showPageNumbers]', false);
             $config->noRecordsMessage = $this->getConfig('manage[noRecordsMessage]');
 
             if ($this->viewMode === 'single') {