Preserve QUrl
Summary: File Chooser returns QUrls now this fixes not printing if a file was selected from the dialog.
Reviewers: tcanabrava, patrickelectric, laysrodrigues
Reviewed By: patrickelectric, laysrodrigues
Subscribers: Atelier: General Development
Tags: Atelier: General Development
Differential Revision: https://phabricator.kde.org/D12651