Hiding the Black Window Caused By xembedsniproxy in Niri

If you daily niri and you also game with proton. You would find the niche need to use xembedsniproxy for gaming purposes. The problem is that, outside of KDE it will make a null window that is just like a black container. Since it is null, we can't make window rule for that, but i found out that we can "fix" this using a hacky way. in this simple article I'm gonna talk about how the 'hack' works.