Add `core/embed` variation in Block Editor

assets/build/index.asset.php

-<?php return array('dependencies' => array('wp-hooks', 'wp-i18n'), 'version' => '6a0f88ce1d82184ce1ea');
+<?php return array('dependencies' => array('wp-components', 'wp-element', 'wp-hooks', 'wp-i18n'), 'version' => 'e397fb7700ad8600f5bd');