try to fix this spaghetti of a code

public/frontend_poker.js

@@ -248,6 +248,11 @@ document.addEventListener("DOMContentLoaded", () => {
             }
 
             if (message.type === "auth:error" || message.type === "poker:error" || message.type === "error") {
+                if (["NOT_SEATED", "LOBBY_NOT_FOUND"].includes(message.code)) {
+                    localStorage.removeItem("activeLobbyId");
+                    location.assign("/");
+                    return;
+                }
                 showError(message.message || "Poker connection failed");
             }
     });