bug#64141: 27.1 newly has clunky type-break y-or-n-p

[Juri Linkov]

> the clunkiness that i think of that has always been there is this,
> which might or might not be related:
>
>   - if you are using the mouse when the query occurs, the query might
> be in the minibuffer.  it should be in a dialog box.
>   - if you are using the kb when the query occurs, the query might be
> a dialog box.  it should be in the minibuffer.
>
> the reason is that i am almost always either in mouse mode or kb mode.
> switching causes impact on my system as i have to lift my arms,  or
> drop one and possibly lift it again, which can be significantly
> problematic in my case for unrelated reasons.
>
> for isearch, i do not recall previous instances of it in v<=26.1.  i
> was only on 26.1 briefly.  27.1 was a first that i recall.

Indeed, this is how it was supposed to work.
But there is a regression in 29.0.

When tried

  (run-with-timer 5 5 #'yes-or-no-p "OK? ")

it pops up a dialog box in 26.3, 27.2, 28.2,
but uses the minibuffer in 29.0.