chore: update game node server ports

Author: lukepolo

servers/game-server-nodes/offline-support.md

@@ -3,7 +3,7 @@
 If your internet connection goes down, you can still set up and run offline matches using the Game Server Node Connector interface.
 
 To access the offline interface, open a browser and go to your node’s LAN IP at:  
-`http://<lan-ip>:8080`
+`http://<lan-ip>:8585`
 
 - **Username:** `5s`
 - **Password:** The node’s `name`