message: fix firewall warning output
diff: @@ -343,9 +343,7 @@ function add_api_url_to_config() {
  }
  function check_firewall() {
  - local readonly GET_ACCESS_KEYS=$(curl --insecure -s ${LOCAL_API_URL}/access-keys)
  - local readonly GET_ACCESS_KEY_PORT="$DOCKER_CMD exec shadowbox node -e 'console.log($GET_ACCESS_KEYS[\"accessKeys\"][0][\"port\"])'"
  - local -r ACCESS_KEY_PORT=$($GET_ACCESS_KEY_PORT)
  + local -r ACCESS_KEY_PORT=$(curl --insecure -s ${LOCAL_API_URL}/access-keys | $DOCKER_CMD exec -i shadowbox "node -r fs -p 'JSON.parse(fs.readFileSync(0)).accessKeys[0].port;'")
  if ! curl --max-time 5 --cacert "${SB_CERTIFICATE_FILE}" -s "${PUBLIC_API_URL}/access-keys" >/dev/null; then
  log_error "BLOCKED"
  FIREWALL_STATUS="\
  