Bug#1083074: xdg-mime: query filetype broken on Plasma 6.

[Elizabeth Loss-Cutler-Hull]

Package: xdg-utils
Version: 1.1.3-4.1

xdg-mime query filetype simply exits when the detected desktop is KDE, 
and KDE_SESSION_VERSION is set to anything other than 4 or 5.

This is a slight problem when it is set to 6, as is the case with plasma 
6 from experimental.

Of course, given that plasma 6 is still in experimental, not sid, that 
means that this isn't a complete surprise, but it definitely breaks 
things like wl-copy.