Ignore all HoldTap related keys as Oneshot interrupts

[xs5871]

I think there was a reason we didn't do this from the start. Can't remember it and all the unit tests pass, so... Leaving this as a draft for now?

[gruvw]

Linking the conversation about it: https://kmkfw.zulipchat.com/#narrow/stream/358347-general/topic/OneShot.20and.20KC.2ELT