MC-2259: Build Stabilization

Blacklist pagebuilder_block_select_grid.xml from form requirement

Author: danmooney2

dev/tests/static/testsuite/Magento/Test/Integrity/Xml/ExtendsBaseFormTest.php

@@ -51,7 +51,8 @@ private function getXmlFiles(): array
         $overrideFiles = [
             'pagebuilder_base_form.xml' => '',
             'pagebuilder_map_location_form.xml' => '',
-            'pagebuilder_banner_form.xml' => 'pagebuilder_base_form_with_background_attributes'
+            'pagebuilder_banner_form.xml' => 'pagebuilder_base_form_with_background_attributes',
+            'pagebuilder_block_select_grid.xml' => '',
         ];
         $componentRegistrar = new ComponentRegistrar();
         $modulePath = $componentRegistrar->getPath(ComponentRegistrar::MODULE, 'Magento_PageBuilder');