bug#63967: 28.2; switch-to-buffer in normal window fails if minibuffer window is active

[Stefan Monnier]

> After spending quite some time looking at why that call to
> Fset_frame_selected_window went in in the first place, and checking
> quite a few of the bug scenarios from 2021, I'm now convinced that the
> sole fix we need is to remove that call from minibuffer_unwind.

That was my intuition, but I wasn't confident enough in my understanding
of the code to suggest it :-)


        Stefan