bug#53170: 29.0.50; Can't repetitively click next node button inside Info header line

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: luangruo@yahoo.com,  53170@debbugs.gnu.org
> Date: Wed, 12 Jan 2022 19:20:40 +0200
> 
> >> But I don't know how important is the feature of selecting/dragging the 
> >> header-line?
> >
> > I don't think I understand how 2 clicks one after another are taken as
> > a drag-mouse event.  Can you tell why this happens?
> 
> Actually, its's mouse-select-window that steals the click.
> There is no need to bind mouse-1 to mouse-select-window
> because the window is selected anyway, so this patch fixes
> the reported problem:

Thanks, this LGTM.