So if you do those changes (don't forget to stick ca.key and ca.pem in /home/pi/.node-red) then it works again
You do have to accept my certs in a webbrowser session 1st so you need to kick the session into life by doing some like https://192.168.0.189:1880/translate?test
(replace my address with your Pi one)
No where near as smooth and easy as doing it on one machine