Commit d858c4 introduces a new macro that is chosen to evaluate if an
element in submenus should be an ITEM_NORMAL or ITEM_RADIO
based on VLC_VAR_ISCOMMAND flag. The conditional results were in
the wrong order.

Close: #6149 #6197
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 3feeb95479ff7b760ecf90869e001d52a53d784d)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>