message: *Really* fix main window size restoration on Windows 10
  Further fix in addition to which caused enlarging of main
  window on every open of the application in some situations (e.g.
  mainwin w=1112, h=786) - this time caused directly by
  The fix is to use GetBestSize() *only*.
  See
diff: @@ -212,7 +212,7 @@ wxPoint wxFrameWithWindows10Menubar::GetClientAreaOrigin() const
  wxPoint pt = wxFrame::GetClientAreaOrigin();
  if (IsUsed())
  {
  - pt.y += wxMax(m_menuBar->GetSize().y, m_menuBar->GetBestSize().y) + MENUBAR_OFFSET;
  + pt.y += m_menuBar->GetBestSize().y + MENUBAR_OFFSET;
  }
  return pt;
  }
  