improved

Royal Mail tracking integration updates

The tracking integration for Royal Mail has been updated to enhance the accuracy of tracking information delivered through the Pro Shipping v2 tracking webhook. The Royal Mail tracking event "EVRTS" (Delivered back to sender) is now correctly mapped to the new INTERSOFT tracking event "UDTS" (Delivered to Sender) and assigned to the milestone category "Undeliverable." This change ensures that customers receive precise tracking updates, eliminating confusion regarding successful deliveries. The Royal Mail tracking translation file has been updated accordingly, allowing for seamless integration of this new mapping in the Pro Shipping v2 system.