KSmserver is currently very heavily tied to the shutdown prompt dialog.
On upgrades a user ends up in a situation where they have an old
ksmserver running but a newer shutdown dialog. This has caused issues
repeatedly in the past.
I want to make some changes to how the shutdown prompt is shown for
5.15. First step is making the old releases more robust.
Prompt looks ugly but a user will only see it at most once. Hopefully