bug#52503: 29.0.50; sokoban window does not redraw itself

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Eli Zaretskii <eliz@gnu.org>,  52503@debbugs.gnu.org
> Date: Wed, 22 Dec 2021 13:26:13 +0100
> 
> Dieter Deyke <dieter.deyke@gmail.com> writes:
> 
> > I did spend some time running git bisect, and these are my findings:
> >
> > Bisecting: 0 revisions left to test after this (roughly 0 steps)
> > [3f843b25dc96867043feebb1d928bde4a7a777a3] Add an intermediary face
> > for mode lines: `mode-line-active'
> 
> Hm.  Can you try reverting just that commit and see whether it fixes the
> problem for you?  I'm having some difficulties imagining how those
> changes could make sokoban not update the window contents.

Yes, it's quite ... amazing.