ECWID-169535: Added new fields in OrderItem object.

Author: VHripsime

src/main/kotlin/com/ecwid/apiclient/v3/dto/cart/request/OrderForCalculate.kt

@@ -79,6 +79,8 @@ data class OrderForCalculate(
 		val price: Double? = null,
 		val productPrice: Double? = null,
 		val needCalculateWholesalePrice: Boolean? = null,
+		var isCustomerSetPrice: Boolean? = null,
+		var selectedPrice: SelectedPrice? = null,
 		val shipping: Double? = null,
 		val tax: Double? = null,
 		val fixedShippingRate: Double? = null,
@@ -275,4 +277,8 @@ data class OrderForCalculate(
 	data class PaymentOption(
 		val paymentId: String? = null,
 	)
+
+	data class SelectedPrice(
+		var value: Double? = null
+	)
 }