bug#56176: 28.1.50; csv-align-mode misaligns when display-line-numbers-mode is on

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: larsi@gnus.org,  joostkremers@fastmail.fm,  56176@debbugs.gnu.org
> Date: Mon, 27 Jun 2022 11:27:17 -0400
> 
>     src/emacs -Q -l ~/tmp/foo.el -f my-test
> 
> where `foo.el` is the attached file.
> 
> Then scroll horizontally (I use `C-f` from the BOL and `C-b` from EOL to
> do that), you'll see that sometimes the columns aren't aligned (tho
> sometimes they are, even the very same columns).

Thanks for the clear recipe.  This should be now fixed on the master
branch, please see if the original problem is also fixed.