fixed the _tty_info() and _ssh_or_mosh_args() helpers logic

- filtered ssh master connections in _tty_info()
- filtered processes reparented to pid 1

.tmux.conf

@@ -459,11 +459,13 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #
 #   if [ x"$cygwin" = x"true" ]; then
 #     ps -af | tail -n +2 | awk -v tty="$tty" '
-#       $4 == tty { user[$2] = $1; child[$3] = $2 }
+#       ((/ssh/ && !/-W/) || !/ssh/) && $4 == tty {
+#         user[$2] = $1; parent[$2] = $3; child[$3] = $2
+#       }
 #       END {
 #         for (i in user)
 #         {
-#           if (!(i in child))
+#           if (!(i in child) && parent[i] != 1)
 #           {
 #             file = "/proc/" i "/cmdline"; getline command < file; close(file)
 #             gsub(/\0/, " ", command)
@@ -475,11 +477,13 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #     '
 #   else
 #     ps -t "$tty" -o user= -o pid= -o ppid= -o command= | awk '
-#       { user[$2] = $1; child[$3] = $2; for (i = 4 ; i <= NF; ++i) command[$2] = i > 4 ? command[$2] FS $i : $i }
+#       (/ssh/ && !/-W/) || !/ssh/ {
+#         user[$2] = $1; parent[$2] = $3; child[$3] = $2; for (i = 4 ; i <= NF; ++i) command[$2] = i > 4 ? command[$2] FS $i : $i
+#       }
 #       END {
-#         for (i in user)
+#         for (i in parent)
 #         {
-#           if (!(i in child))
+#           if (!(i in child) && parent[i] != 1)
 #           {
 #             print i, user[i], command[i]
 #             exit