[PATCH v2 0/2] MR7026: Draft: win32u: Always update the surface region when the surface changes.

[Rémi Bernon]

Instead of reapplying the old shape, which not only includes the window
shape but also the old clipping and visible areas that can change
independently.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57551

--
  v2: server: Remove now unnecessary needs_update member.
      win32u: Always update the surface regions in apply_window_pos.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7026