I read through the "bug" and all its discussion - what a fiasco! I have recently become comfortable with the single click option in Nautilus and Gnome Commander - looks like I will not see it in the file chooser for another couple of decades
I think I will setup a Kubuntu virtual machine and see what happens in KDE. I used to use KDE on Red Hat and Fedora until I started using Ubuntu about 6.04. Kubuntu at that time had some sort of issue and Gnome had finally reduced its icon sizes to smaller than a football and I have used Gnome ever since.
Again thanks for the pointer to the "bug"