bug#59351: 29.0.50; [PATCH] Fix mouse click position to menu bar entry

[Eli Zaretskii]

> From: Manuel Giraud <manuel@ledu-giraud.fr>
> Cc: luangruo@yahoo.com,  59351@debbugs.gnu.org
> Date: Fri, 25 Nov 2022 16:00:20 +0100
> 
> Manuel Giraud <manuel@ledu-giraud.fr> writes:
> 
> > I've come up with this solution that works for me.  Upon menu face
> > change, the menu bar is correctly updated.  WDYT?
> 
> I spoke to fast.  It does not work correctly with more than one window
> in the same frame.

The idea looks correct, thanks.  What exactly prevents this from working
with multiple windows on the same frame?