Changes to Retrieve available sealines

the sealines/items response's property type changed from string to object for status 200

added the optional property sealines/items/active to the response with the 200 status

added the optional property sealines/items/activeTypes to the response with the 200 status

added the optional property sealines/items/maintenance to the response with the 200 status

added the optional property sealines/items/name to the response with the 200 status

added the optional property sealines/items/prefixes to the response with the 200 status

added the optional property sealines/items/scacCodes to the response with the 200 status