<?php

// Add an extra categories selection field to the pages table
//\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::makeCategorizable(
//    'products',
//    'tx_products_domain_model_productgroup'
//);
$GLOBALS['TCA']['tx_products_domain_model_productgroup']['ctrl']['security']['ignorePageTypeRestriction'] = true;