This works great on at least .com, .uk, .de and .se google. As the author describes it you need to disable JavaScript but in my case this one works out of the box! And queries fron FF adressbar still works etc. (I do have uBlock Origin if that could be the case it works?). Anyway, thanks!
Running FF74 on W10x64

Firefox 71.0 x64, Windows 10 - не работает.