Have you considered using Heroic game launcher instead. I think its good as long as you use wine fixes instead of proton ones.

Edit: looks like lutris is installed but corrupted?

What about this command in terminal.

dpkg -l | grep -i lutris

Hope this helps

https://apt.izzysoft.de/fdroid/index/apk/eu.toldi.infinityforlemmy

Infinity for lemmy just dropped in F-droid. Hello old friend…glad you’ve arrived