[Bug 52701] virtual desktop worked in previous wine versions, not in wine 7.4 (Staging)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52701

--- Comment #2 from [e-mail] ---
A possibly useful clue is that wine 7.4 (Staging) virtual desktop works to
remove the occluding black box in 3D view for Battle of Britain, a flight sim
that shares much the same code base as Mig Alley.

These games are open source. Linux/wine installers for the games are here:
https://github.com/sim-museum/esports-f ... igAlley.sh
https://github.com/sim-museum/esports-f ... Britain.sh

The games package can be downloaded here:
https://github.com/sim-museum/esports-for-engineers