Changes to Register a new operator user

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

removed the optional property security from the response with the 400 status

removed the optional property security from the response with the 500 status

removed the request property termsVersion

removed the optional property status from the response with the 200 status

removed the optional property termsVersion from the response with the 200 status

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

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