tdf#130841 resize to client size after SetPosSize

This fixes the hack of the native menu bar with a smaller client
size in relation to the frame geometry.
Eventually this should be replaced by proper mnTopBorder usage,
but this currently isn't working.

Change-Id: Ib5825d9c8f77e463fcb086e0373228fe91d8705a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/89202
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>
(cherry picked from commit b26ca5b13733b46c2df0787502f885e15b390956)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/89144
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
index 19e2e10..49551be 100644
--- a/vcl/source/window/window.cxx
+++ b/vcl/source/window/window.cxx
@@ -2789,6 +2789,10 @@ void Window::setPosSizePixel( long nX, long nY,

        pWindow->mpWindowImpl->mpFrame->SetPosSize( nX, nY, nWidth, nHeight, nSysFlags );

        // Adjust resize with the hack of different client size and frame geometries to fix
        // native menu bars. Eventually this should be replaced by proper mnTopBorder usage.
        pWindow->mpWindowImpl->mpFrame->GetClientSize(nWidth, nHeight);

        // Resize should be called directly. If we haven't
        // set the correct size, we get a second resize from
        // the system with the correct size. This can be happened