bug#32825: 27.0.50; Deterministic window management

[martin rudalics]

> Please install it as is, I tried it and see no big problems.
> Then later it could be amended with more improvements.

Installed.

> One problem not related to your patch is that when 
display-buffer-below-selected
> fails, then the *Backtrace* buffer is still displayed in a random window,
> not remembering its previous window.  A possible solution is
> to prefer get-mru-window over get-lru-window as the default fallback.

IIRC you tried with 'display-buffer-at-bottom' as second default
alternative already and were content with it.

martin