/**
* Assign customer address to quote address and save quote address
*
* @param bool $unsetId
*/
protected function _setCustomerAddressAndSave($unsetId)
{
$shippingAddress = $this->_quote->getShippingAddress();
if ($unsetId) {
$shippingAddress->setId(null);
}
$shippingAddress->setSameAsBilling(0)->setCustomerAddressData($this->_customer->getDefaultBillingAddress())->save();
}