bug#60815: 28.2; Hard-coded M-sff key binding in dired-aux.el

[Eli Zaretskii]

> From: Evgeni Pandurski <epandurski@gmail.com>
> Date: Sat, 14 Jan 2023 20:37:20 +0200
> 
> Oh, my bad! Actually, it is: (define-key isearch-mode-map (kbd "M-s")
> 'other-window)

And that is the problem: you should bind it in the global map, not in
isearch-mode-map.  The Isearch mode map has several key sequences
hard-coded that begin with the M-s key, so binding M-s in the Isearch
keymap is not recommended.