bug#38457: 27.0.50; dabbrev-expand regression due to message change

[Juri Linkov]

> Here's something else to consider: if the user has resize-mini-windows set
> to nil, and the user has icomplete-mode on (for instance), the message
> might not be visible behind the (almost cut off) list of completions.
>
> And even of resize-mini-windows has the default value, the message might
> appear so far from where the user is looking to be almost unnoticeable.

IDK, I tried to set resize-mini-windows to nil and in icomplete-mode
can see the message.