[PATCH 0/1] MR4674: comctl32/listview: Ignore the lParam to WM_PRINTCLIENT and add tests.

[Alex Henrie (＠alexhenrie)]

Based on simliar patch for comctl32/treeview: 231199bc46

WM_PRINTCLIENT paints the items of a listview, including the item
backgrounds, but never the listview background.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54878
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55005
Co-authored-by: Alex Henrie