protected function setFormDataDimensionsCheckout()
    {
        if (!empty($this->data_cart)) {

            $order = $this->data_form['order'];

            // Cart data passed by reference to convert product dimensions and measurement units
            $this->data_form['order']['volume'] = $this->order_dimension->getVolume($order, $this->data_cart);
            $this->data_form['order']['weight'] = $this->order_dimension->getWeight($order, $this->data_cart);
        }
    }