Fix PasswordAuthentication for sftp (#327)

Signed-off-by: Dan Michael O. Heggø <danmichaelo@gmail.com>

Author: danmichaelo

templates/opensshd.conf.j2

@@ -257,7 +257,7 @@ Match Group sftponly
 {% endif %}
     AllowTcpForwarding no
     AllowAgentForwarding no
-    PasswordAuthentication no
+    PasswordAuthentication {{ 'yes' if (ssh_server_password_login|bool) else 'no' }}
     PermitRootLogin no
     X11Forwarding no
 {% endif %}