Work/kns deprecations
Port away from the deprecated KNS3::DownloadDialog, most of the usages were in QML code anyways.
Also the user gets the good looking QML dialog and not the old QWidgets stuff.
Port away from the deprecated KNS3::DownloadDialog, most of the usages were in QML code anyways.
Also the user gets the good looking QML dialog and not the old QWidgets stuff.