bug#51883: 29.0.50; Command to get accidentally deleted frames back

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: Eli Zaretskii <eliz@gnu.org>,  monnier@iro.umontreal.ca,
>   michael_heerdegen@web.de,  gregory@heytings.org,  51883@debbugs.gnu.org
> Date: Thu, 27 Jan 2022 19:21:24 +0200
> 
> I confirm that removing 'parent-id' is sufficient to fix the bug in Emacs 28.
> So here is the minimal patch for the release branch:

Thanks, please install this on the release branch.