CSR UI: Select shipping method (Beta)

Description

When working on the CSR UI screen, you can now select a shipping method.

*You can select an existing shipping method from a dropdown.

• If no shipping methods exist, the dropdown says "No shipping method exists".
• The current shipping method is indicated in the list in the same manner as the shipping address.
• Each shipment in the cart should state the following amounts:
  • Line Items Total
  • Shipping Tax
  • Shipping Total
• If the shipping method changes, the order group and shipping amounts are updated accordingly.
• Only users assigned to the role CommerceAdmins or CustomerServiceRepresentatives can update the shipping method.