Add FeaturePlugin facade under the Admin namespace to avoid conflict WCA conflict

plugins/woocommerce/src/Admin/FeaturePlugin.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * WooCommerce Admin: Feature plugin main class.
+ */
+
+namespace Automattic\WooCommerce\Admin;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Feature plugin main class.
+ *
+ * @deprecated since 6.4.0
+ */
+class FeaturePlugin extends DeprecatedClassFacade {
+	/**
+	 * The name of the non-deprecated class that this facade covers.
+	 *
+	 * @var string
+	 */
+	protected static $facade_over_classname = 'Automattic\WooCommerce\Internal\Admin\FeaturePlugin';
+
+	/**
+	 * The version that this class was deprecated in.
+	 *
+	 * @var string
+	 */
+	protected static $deprecated_in_version = '6.4.0';
+
+	/**
+	 * Constructor
+	 *
+	 * @return void
+	 */
+	protected function __construct() {}
+
+	/**
+	 * Get class instance.
+	 *
+	 * @return object Instance.
+	 */
+	final public static function instance() {
+		return new static();
+	}
+
+	/**
+	 * Init the feature plugin, only if we can detect both Gutenberg and WooCommerce.
+	 *
+	 * @deprecated 6.4.0
+	 */
+	public function init() {}
+}