Changes to Assign an Incident Role

removed the success response with the status 200

added the success response with the status 204

added the required property code to the response with the 400 status

added the required property code to the response with the 401 status

added the required property code to the response with the 403 status

added the required property code to the response with the 404 status

added the required property code to the response with the 422 status

added the required property code to the response with the 500 status

endpoint added