Re: [PATCH v2 0/1] MR9578: win32u: Ignore statup cmd show mode for owned windows.

[Paul Gofman (＠gofman)]

The extra 'first_window' check is to avoid additional calls to get_window_relative() which may result in server call (while we shouldn't InterlockedExchange(&first_window) for owned window).

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9578#note_123590