Subject: cursor should stay upon same message when sorting some other method

From: 積丹尼 Dan Jacobson <[email-masked]>
Date: Tue, 27 Feb 2018 01:29:21 +0800

Enhancement: When we hit C-c C-s C-s etc.
our cursor should remain sitting upon the message it was on,
just like when we hit s in dired.

Gnus v5.13
GNU Emacs 25.2.2 (i686-pc-linux-gnu, GTK+ Version 3.22.28)
 of 2018-02-19, modified by Debian