security/openssh-portable: Fix NONE_CIPHER.
Tested with:
sshd_config:
NoneEnabled yes
- ssh -o NoneSwitch=yes -o NoneEnabled=yes -vv cmd...
Note that the none cipher is _never enabled for interactive TTY_.
PR: 292710
Submitted by: Andre Albsmeier
(cherry picked from commit 069c72440f3ba0bb85461b621f0f9d861b842192)