ECWID-135200 Recurring subscription orders are created without Tax ID…

… although it's presented in the initial order - added clarification

src/test/kotlin/com/ecwid/apiclient/v3/entity/CartsTest.kt

@@ -697,6 +697,6 @@ private fun UpdatedOrder.cleanupForComparison(order: UpdatedOrder): UpdatedOrder
 				}
 			)
 		},
-		customerFiscalCode = null,
+		customerFiscalCode = null, // ApiOrder has empty string instead of null
 	)
 }

src/test/kotlin/com/ecwid/apiclient/v3/entity/OrdersTest.kt

@@ -432,7 +432,7 @@ private fun UpdatedOrder.cleanupForComparison(order: UpdatedOrder): UpdatedOrder
 			val requestItem = order.items?.get(index)
 			item.cleanupForComparison(requestItem)
 		},
-		customerFiscalCode = null,
+		customerFiscalCode = null, // ApiOrder has empty string instead of null
 	)
 }