bug#48409: Text runs away before user can copy it

[Eli Zaretskii]

> Cc: Eli Zaretskii <eliz@gnu.org>, 48409@debbugs.gnu.org, juri@linkov.net
> From: martin rudalics <rudalics@gmx.at>
> Date: Sat, 22 May 2021 16:36:40 +0200
> 
> I just wouldn't want to have the echo area messages pop up whenever I
> accidentally click into an empty minibuffer window.

But that exactly what has been happening in Emacs 27 and before, since
this feature was added in Emacs 24.  And it _is_ a feature.