[3dprinter-general] Bug#999335: Bug#999335: cura: Zeroconf no longer works due to API change

[Gregor Riepl]

> It is:
> 
> https://github.com/Ultimaker/Cura/commit/cfccf94914af5c6f5e237504e2f145b8b3157d88

Thanks!

Since we're a bit behind releasing new Cura versions, I took the liberty
to commit the patch to Salsa.

@myon: Feel free to release if you think it makes sense. Or we could
move forward with getting Cura 4.12 into shape.