bug#33458: 27.0.50; dired loses position when reverted from outside place

[v88m]

On Fri, Nov 30 2018, Juri Linkov wrote:

> Setting switch-to-buffer-preserve-window-point to nil really helps,
> but only in the case of switching buffers with 'C-x b'.  It doesn't
> help when the buffer is displayed with any other command such as
> 'C-x <C-left>' (previous-buffer) or with set-window-configuration
> or window-state-put, etc.

According to documentation in some cases this variable is ignored. It
seems we faced those.

-- 
WBR, Yuri