[Bug 55510] New: Wine incorrectly sets TRANSIENT_FOR/skip_taskbar for unmapped windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55510

Bug ID: 55510
           Summary: Wine incorrectly sets TRANSIENT_FOR/skip_taskbar for
                    unmapped windows
           Product: Wine
           Version: 8.15
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winex11.drv
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 75074
  --> https://bugs.winehq.org/attachment.cgi?id=75074
Gnome-shell log

Based on feedback in
https://gitlab.gnome.org/GNOME/mutter/-/issues/2867#note_1822417 filing the bug
here.

Platform: Fedora 38 x86_64 (up-to-date) with wine-8.15.

Steps to reproduce:

1. wine ./EssencePlusVST3_Setup.exe
2. click on '_' in the windows top-right corner
3. window does not minimize
4. click 'X' in the windows top-right corner
5. observe gnome-shell journal messages

See the screencast for live performance.

Maybe related: https://bugs.winehq.org/show_bug.cgi?id=37052 ?