[Bug 53194] New: d3d9:device - test_cursor_pos() is sometimes missing a MOUSEMOVE on Windows 10 1809+

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53194

Bug ID: 53194
           Summary: d3d9:device - test_cursor_pos() is sometimes missing a
                    MOUSEMOVE on Windows 10 1809+
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: [e-mail]
          Reporter: [e-mail]

d3d9:device - test_cursor_pos() is sometimes missing a MOUSEMOVE on Windows 10
1809+:

device.c:5296: Test failed: Didn't receive MOUSEMOVE 0 (50, 50).

https://test.winehq.org/data/patterns.html#d3d9:device

These missing WM_MOUSEMOVE issues seem to be known to some extent, but not
quite understood:
https://gitlab.winehq.org/wine/wine/-/blob/1a3217393e2e6226da0f4024d4d384def...