> $ touch /tmp/test
> $ emacs -Q --eval "(setq resize-mini-windows nil)" /tmp/test
> M-x find-file-literally RET /tmp/test RET
> => The minibuffer displays only:
> Do you want to save the file, and visit it literally instead? (y or no)

Exactly like a week ago in bug#42708 we added support for C-h to
read-char-from-minibuffer used by dired-query with help-form,
this patch does the same for y-or-n-p used by find-file-noselect
with help-form: