Add a ‘Logout’ button

Hello,

I triy to add a ‘logout’ button on the main nav menu under ‘account’ parent menu. But, the button does not rendor.

1. At Appearance > Menus, I add ‘account’ page to the active menu. (link enabled)
2. I add a code snippet

The code here;

function my_insert_primary_nav_login_link( $items, $menu, $args ) {	
  if( is_admin() )
    return $items;

  // Bail out if this menu isn't main-menu or Main Menu is being loaded in the dashboard.
  if( $menu->slug !== 'main-menu' || is_admin() )
    return $items;
  
  // Find the ID of the Page with the slug account in the menu items.
  foreach( $items as $item ) {
    if( $item->post_type !== 'page' || $item->post_name !== 'account' )
      continue;
    
    $account_page_id = $item->ID;
    break;
  }

  // Bail if the account page is not in this menu.
  if( ! isset( $account_page_id ) )
    return $items;
  
  $logged_in  = is_user_logged_in();
  $link_title = __( $logged_in ? 'Log In' : 'Log Out', 'oceanwp' );
  
  // Insert a new WP_Post object for the link.
  $items[] = new WP_Post(
    (object) [
      'ID'               => 'user-login',
      'menu_item_parent' => $account_page_id,
      'classes'          => [ 'account-auth-link' ],
      'type'             => 'virtual',
      'object'           => 'virtual',
      'title'            => $link_title,
      'attr_title'       => $link_title,
      'url'              => $logged_in ? wp_logout_url() : wp_login_url(),
    ]
  );
  
  return $items;
}

add_filter( 'wp_get_nav_menu_items', 'my_insert_primary_nav_login_link', 10, 3 );

If you could review the code, I would really appreciated.