[PATCH 0/1] MR6705: win32u: Do not adjust old valid rect when moving child window bits.

[Rémi Bernon]

The child window is moved within its parent surface, the old / new visible rects
have moved with the child, but the surface did not and valid rects are correctly
positionned already.

Fixes: 602040c58cecb778972c2ade6efabaf3b9f963ff
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57334

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6705