[Bug 54282] Allow winecfg create a prefix without mime associations and no linked folders integration

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54282

--- Comment #3 from Shmerl  ---
(In reply to Rafał Mużyło from comment #2)
> - winecfg is a non-factor here; the symlinks happen during shell32
>
> _SHCreateSymbolicLink; desktop files IIRC are written by winemenubuilder
> during prefix creation/update

Why I thought winecfg is relevant is becasue it's where you go to disable that
symlinking and mime association. So even if it happens before winecfg can take
control over things, may be it can just undo it and clean things up if such
parameters are passed, or something of the sort.