bug#62662: 30.0.50; gnus-treat-fold-headers overrides (hides) display of face, x-face, etc.

[Eli Zaretskii]

> Date: Tue, 04 Apr 2023 10:23:58 +0200
> From:  Adam Sjøgren via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Since gnus-treat-fold-headers was set to default to 'head in commit
> 3bc0768e9b8 the display of Face, X-Face, and other images in the headers
> has stopped working.
> 
> With gnus-treat-fold-headers default value, 'head, no images:
> 
> setting it to nil, the images appear as expected:

That commit just changed the default.  No code was changed in that
commit except the default value of the option.  If you don't like the
default, you can always customize the value back to nil.

So I'm not sure I see a bug here.

Adding Lars, who made the change back in Dec 2021.