bug#60096: 29.0.60; Crash in format_mode_line_unwind_data

[Juri Linkov]

>> Note that the *scratch* buffer is re-created in this scenario without
>> the blurb we put into it, and in Fundamental mode.
>
> I've fixed at least the last part, so the major mode of the re-created
> *scratch* is now as expected.

Now it doesn't crash, but outputs an error in the *Messages* buffer:

  Error during redisplay: (get-scratch-buffer-create)
  signaled (wrong-type-argument window-live-p #<window 7>)