I tried at least 3 different versions of the user defined mapping today, no success.
Same settings as the OP has, Kick on C1, C2, whatever - nothing.
What changed since 2018? do I have to try a 4th, 5th, 6th mapping? This took me 6 hours now, I am tired. I am not sure if it's the summer heat or if I am just under a bad spell.