Update nodejs-apps.bash

Signed-off-by: Carsten Mogge <carsten.mogge@gmail.com>

Author: Larsen-Locke

functions/nodejs-apps.bash

@@ -310,7 +310,9 @@ EOF
   cd /opt/zigbee2mqtt || (echo "FAILED (cd)"; return 1)
   cond_redirect sudo -u "${username:-openhabian}" pnpm install --frozen-lockfile --ignore-scripts=false
 
-  systemctl daemon-reload
+  if systemctl >/dev/null 2>&1; then
+    systemctl daemon-reload
+  fi
   systemctl enable --now zigbee2mqtt.service
 
   [[ -n $INTERACTIVE ]] && whiptail --title "Operation successful" --msgbox "$installSuccessText" 15 80