Added the ability to set a custom name for order items

Starting from version V7Preview4, it will be possible to specify and retrieve a custom name for an order item that has a link to IProduct.

Available properties for reading custom names:

• IOrderProductItem.ProductCustomName - regular dish
• IOrderCompoundItemComponent.ProductCustomName - component of a compound dish
• IOrderServiceItem.ServiceCustomName - service
• IOrderModifierItem.ProductCustomName - modifier of a regular dish, compound dish, or component of a compound dish
• IOrderServiceItemPeriod.ServiceCustomName - rate of a time-based service

Available methods for writing custom names:

• For regular dish
  • IEditSession.SetProductItemCustomName
  • OperationServiceExtensions.SetProductItemCustomName
• For component of a compound dish
  • IEditSession.SetCompoundItemComponentCustomName
  • OperationServiceExtensions.SetCompoundItemComponentCustomName
• For service
  • IEditSession.SetServiceItemCustomName
  • OperationServiceExtensions.SetServiceItemCustomName
• For modifier of a regular dish, compound dish, or component of a compound dish
  • IEditSession.SetOrderModifierItemCustomName
  • OperationServiceExtensions.SetOrderModifierItemCustomName
• For rate of a time-based service
  • IEditSession.SetServiceItemPeriodCustomName
  • OperationServiceExtensions.SetServiceItemPeriodCustomName

Custom names are displayed in the order composition and in the event log, and are also printed on receipts.