Changes to Obtain information for a cart.

added the optional property order/fees to the response with the 200 status

removed the volta enum value from the order/products/items/type response property for the response status 200

the response's body type changed from array to object for status 200

for the query request parameter locale, the format was generalized from string to no format

added the optional property order to the response with the 200 status

the response property items/order/products/items/id became nullable for the status 200

the response property items/order/products/items/variant_id became nullable for the status 200

added the optional property items/order/products/items/type to the response with the 200 status