При создании заказа на d7 заказ сохраняется с нулевой ценой.

<?
require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");

Bitrix\Main\Loader::includeModule('sale');
Bitrix\Main\Loader::includeModule('catalog');
      
$basket = Bitrix\Sale\Basket::create(SITE_ID);

$arData = [
  "order" => [
    "currency" => "RUR",
    "fake" => false,
    "id" => 12345,
    "paymentType" => "PREPAID",
    "paymentMethod" => "YANDEX",
    "delivery" => [
      "price" => 300  
    ],
    "items" => [
      [
        "offerId" => "17190",
        "offerName" => "Медиаплеер Xiaomi Mi Box S International Version",
        "count" => 3,
        "price" => 5150
      ],
      [
        "offerId" => "1616109",
        "offerName" => "Робот-пылесос Xiaomi Mi Robot Vacuum-Mop (Vacuum Cleaner 1C)",
        "count" => 2,
        "price" => 15845
      ]
    ]    
  ]
];

foreach($arData['order']['items'] as $item){  
  $basketItem = $basket->createItem("catalog", $item['offerId']);

  $basketItem->setField('PRODUCT_ID', $item['offerId']);
  $basketItem->setField('NAME', $item['offerName']);
  $basketItem->setField('PRICE', $item['price']);
  $basketItem->setField('CURRENCY', 'RUB');
  $basketItem->setField('QUANTITY', $item['count']);  
}

$order = Bitrix\Sale\Order::create(SITE_ID, 100072);
$order->setPersonTypeId(1);
$order->setBasket($basket);

$shipmentCollection = $order->getShipmentCollection();
$shipment = $shipmentCollection->createItem(
  Bitrix\Sale\Delivery\Services\Manager::getObjectById(1)
);

$shipmentItemCollection = $shipment->getShipmentItemCollection();

foreach($basket as $basketItem)
{
  $item = $shipmentItemCollection->createItem($basketItem);
  $item->setQuantity($basketItem->getQuantity());
}

$paymentCollection = $order->getPaymentCollection();
$payment = $paymentCollection->createItem(
  Bitrix\Sale\PaySystem\Manager::getObjectById(1)
);

$res = $order->getShipmentCollection()->calculateDelivery();

// здесь  $order->getPrice() равен 0

$payment->setField("SUM", $order->getPrice());
$payment->setField("CURRENCY", $order->getCurrency());

$order->doFinalAction(true);
    
$result = $order->save();

if(!$result->isSuccess())
{
  $result->getErrors();
}

$orderId = $order->getId();

echo $orderId;
?>