For most users, this ends up being a long useless string (because of the
UUID included.) If it's the default, Astra-managed path then it simply
says "Default Location". When it's a custom path, it shows the full path
as per usual.
This affects the visible game paths, but also the wine prefix path.
Giant commit overhauling the interface to use KDE's Kirigami framework,
which is based on Qt Quick. The logic is all but rewritten, allowing
accounts to be separate from profiles.
