Changes to Machine power control

removed the nico enum value from the source response property for the response status 400

removed the nico enum value from the source response property for the response status 403

removed the nico enum value from the source response property for the response status 404

removed the nico enum value from the source response property for the response status 500

added the optional property retryable to the response with the 400 status

added the optional property retryable to the response with the 403 status

added the optional property retryable to the response with the 404 status

added the optional property retryable to the response with the 500 status

removed the success response with the status 200

added the success response with the status 202

endpoint added