fix: Implement correct rack navigation in Kabelueberwachung

- Added logic to read the 'rack' query parameter from the URL using useRouter and URLSearchParams.
- Set activeRack state based on the selected rack number from the Dashboard.
- Ensured rack selection is correctly handled upon navigation.
- Maintained manual rack switching functionality with buttons.

app/kabelueberwachung/page.jsx

@@ -1,14 +1,26 @@
 "use client"; // app/kabelueberwachung/page.jsx
 import React, { useState, useEffect } from "react";
+import { useRouter } from "next/navigation";
 import Kue705FO from "../../components/modules/Kue705FO";
 
 function Kabelueberwachung() {
+  const router = useRouter();
   const [activeRack, setActiveRack] = useState(1); // Track the active rack
   const [kueIso, setKueIso] = useState([]); // State to store isolation values
   const [kueID, setKueID] = useState([]); // State to store the KUE names
   const [schleifenwiderstand, setSchleifenwiderstand] = useState([]); // State to store the resistance values
   const [kueOnline, setKueOnline] = useState([]); // State to store the module status
 
+  // Verwende den useRouter Hook, um den Rack-Parameter zu extrahieren
+  useEffect(() => {
+    const query = new URLSearchParams(window.location.search);
+    const rackParam = query.get("rack");
+
+    if (rackParam) {
+      setActiveRack(parseInt(rackParam)); // Setze das aktive Rack basierend auf dem URL-Parameter
+    }
+  }, [router.query]);
+
   // Load the external JavaScript file and fetch the isolation values
   useEffect(() => {
     if (window.kueIso && Array.isArray(window.kueIso)) {