Modify WooCommece Wishlist's Endpoint Slug

wc-wishlists-account-endpoint.php

class WC_Wishlists_Account_Endpoint {
	private static $instance;

	public static function register($endpoint_slug, $endpoint_name) {
		if ( self::$instance == null ) {
			self::$instance = new WC_Wishlists_Account_Endpoint($endpoint_slug, $endpoint_name);
		}
	}

	protected $endpoint_slug;
	protected $endpoint_name;

	protected function __construct($endpoint_slug, $endpoint_name) {
		$this->endpoint_slug = $endpoint_slug;
		$this->endpoint_name = $endpoint_name;

		add_action( 'woocommerce_init', array( $this, 'on_init' ), 0 );
		add_filter('woocommerce_my_account_my_wishlists_title', array($this, 'on_get_wishlists_title'));
	}

	public function on_init() {
		add_action( 'init', array( $this, 'account_wishlists_endpoints' ) );
		add_filter( 'query_vars', array( $this, 'account_wishlists_query_vars' ), 0 );
		add_filter( 'woocommerce_account_menu_items', array( $this, 'account_menu_item' ), 99 );
		add_action( 'woocommerce_account_' . $this->endpoint_slug . '_endpoint', array(
			$this,
			'add_lists_to_account_page'
		), 99 );
	}

	/**
	 * Register new endpoint to use inside My Account page.
	 *
	 * @see https://developer.wordpress.org/reference/functions/add_rewrite_endpoint/
	 */
	public function account_wishlists_endpoints() {
		add_rewrite_endpoint( $this->endpoint_slug, EP_ROOT | EP_PAGES );
	}

	/**
	 * Add new query var.
	 *
	 * @param array $vars
	 *
	 * @return array
	 */
	function account_wishlists_query_vars( $vars ) {
		$vars[] = $this->endpoint_slug;

		return $vars;
	}


	public function account_menu_item( $items ) {
		// Remove the logout menu item.
		$logout = null;
		if ( isset( $items['customer-logout'] ) ) {
			$logout = $items['customer-logout'];
			unset( $items['customer-logout'] );
		}

		// Insert your custom endpoint.
		$items[$this->endpoint_slug] = $this->endpoint_name;

		unset( $items['account-wishlists'] );
		//$items['account-wishlists'] = apply_filters('woocommerce_wishlists_account_menu_label', __( 'Wishlists', 'wc_wishlist' ));

		if ( $logout ) {
			// Insert back the logout item.
			$items['customer-logout'] = $logout;
		}

		return $items;
	}

	public function add_lists_to_account_page() {
		woocommerce_wishlists_get_template( 'my-account-lists.php' );
	}

	public function on_get_wishlists_title($title){
		$title = $this->endpoint_name;
		return $title;
	}


}

// Be sure to re-save permalinks after setting this up.
// WordPress -> Settings -> Permalinks -> Save Changes
WC_Wishlists_Account_Endpoint::register('account-registries', 'Registries');