ECWID-169962: Add a new field in the OrderForCalculate request to indicate whether the taxes have already been applied to the prices or not.

Author: VHripsime

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

@@ -14,6 +14,7 @@ data class OrderForCalculate(
 	val customerTaxExempt: Boolean? = null,
 	val customerTaxId: String? = null,
 	val reversedTaxApplied: Boolean? = null,
+	var taxAlreadyDeductedFromPrice: Boolean? = null,
 	val discountCoupon: DiscountCouponInfo? = null,
 	val items: List<OrderItem>? = null,
 	val billingPerson: PersonInfo? = null,

src/test/kotlin/com/ecwid/apiclient/v3/rule/nullablepropertyrules/OrderForCalculateRules.kt

@@ -25,7 +25,7 @@ val orderForCalculateNullablePropertyRules: List<NullablePropertyRule<*, *>> = l
 	IgnoreNullable(OrderForCalculate::ipAddress),
 	IgnoreNullable(OrderForCalculate::items),
 	AllowNullable(OrderForCalculate::paymentOptionsDetails),
-	AllowNullable(OrderForCalculate::reversedTaxApplied),
+	AllowNullable(OrderForCalculate::taxAlreadyDeductedFromPrice),
 	AllowNullable(OrderForCalculate::shippingOption),
 	IgnoreNullable(OrderForCalculate::shippingPerson),
 	AllowNullable(OrderForCalculate.CustomSurcharge::description),