The fix ensures the window manager knows the correct stacking order
by setting the transient hint to the **insert_after** window when when using
**SetWindowPos** with **insert_after** parameter.
Signed-off-by: Zhao Yi <zhaoyi(a)uniontech.com>
--
https://gitlab.winehq.org/wine/wine/-/merge_requests/9181
When scaling applies, after a call to SetCursorPos(), a subsequent call to GetCursorPos() may not return the exact coordinates set, which an app may interpret as mouse movement.
--
v2: win32u, server: Use float values to track mouse cursor location.
https://gitlab.winehq.org/wine/wine/-/merge_requests/9171