bug#57813: Icon images are non-functional

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: 57813@debbugs.gnu.org
> Date: Sat, 17 Sep 2022 22:37:22 +0300
> 
> Here is a preliminary patch

Thanks.  I only quickly read the patch, and have one comment: the
hard-coded left-margin should depend on the value returned by
current-bidi-paragraph-direction, because text that is displayed
right-to-left should have the icons on the right margin, not left
margin.