bug#64713: 30.0.50; Modeline position not being updated while using mode-line-format-right-align

[Eli Zaretskii <eliz@gnu.org>]

> Cc: 64713@debbugs.gnu.org
> Date: Tue, 18 Jul 2023 20:04:16 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Juan Palacios <jpalaciosdev@gmail.com>
> > Date: Tue, 18 Jul 2023 18:15:27 +0200
> > 
> > mode-line-position does not get updated consistently when used in
> > combination with mode-line-format-right-align in mode-line-format.
> > 
> > Evaluate the following code in the *scratch* buffer, then C-n and C-p
> > and observe how the line counter on the mode line is not updated most
> > of the time:
> > 
> > (setq mode-line-format '("%e" mode-line-front-space
> >  (:propertize
> >   ("" mode-line-mule-info mode-line-client mode-line-modified
> >    mode-line-remote)
> >   display (min-width (5.0)))
> >  mode-line-frame-identification mode-line-buffer-identification "   "
> >  mode-line-position
> >  mode-line-format-right-align
> >  (vc-mode vc-mode) "  " mode-line-modes
> >  mode-line-misc-info mode-line-end-spaces))
> > 
> > Notice that mode-line-format-right-align was added just after
> > mode-line-position.
> 
> Hugo, can you please look into this?

Actually, I think I just fixed this.