[Bug 19182] Allow to completely disable MIME-type and application integration

https://bugs.winehq.org/show_bug.cgi?id=19182

--- Comment #87 from [e-mail] ---
That's great indeed, thanks. :)

Is there some way as a user to e.g. set an environment variable or put
something into `~/.config` or so to do this globally for all prefixes?  I
wouldn't want to accidentally have this enabled when I created a new prefix.