Show clearer warning if the requested KCM could not be found
In particular, make it clear that we only support QML KCMs.
I spent some time hacking in support for loading in old-style KCMs only to find that it wasn't supported and didn't work. :(
In particular, make it clear that we only support QML KCMs.
I spent some time hacking in support for loading in old-style KCMs only to find that it wasn't supported and didn't work. :(