[NTUSER][COMCTL32] Fix garbage displayed at bottom of listbox.c (#8316)

CORE-20062
@I_Kill_Bugs fix for rect.bottom in LISTBOX_Paint function.

dll/win32/comctl32/listbox.c

@@ -1129,7 +1129,9 @@ static LRESULT LISTBOX_Paint( LB_DESCR *descr, HDC hdc )
         /* keep the focus rect, to paint the focus item after */
         if (i == descr->focus_item)
             focusRect = rect;
-
+#ifdef __REACTOS__
+        rect.bottom = min(rect.bottom, descr->height);
+#endif
         LISTBOX_PaintItem( descr, hdc, &rect, i, ODA_DRAWENTIRE, TRUE );
         rect.top = rect.bottom;