User blog comment:ClarenceFTWRobot ChickenFTL/How You Change the Buttons for The Live Chat/@comment-5956954-20200113074725

Hello. I personally don't know the answer to this, but I can recommend asking the same question on Special:Forum instead. More experienced users watch this space on Community Central to answer questions, so you will have a better chance of getting multiple answers there.

Cheers!