refactor: lade OPC UA Daten direkt in NetworkInfo-Komponente statt global in _app.tsx

- Thunk `fetchOpcUaSettingsThunk` wird jetzt nur bei Anzeige von NetworkInfo ausgeführt
- Reduzierte Netzwerklast und bessere Trennung von Zuständigkeiten
- Entfernt globalen OPC UA-Aufruf aus _app.tsx

redux/thunks/fetchLast20MessagesThunk.ts

@@ -1,3 +1,4 @@
+// /redux/thunks/fetchLast20MessagesThunk.ts
 import { createAsyncThunk } from "@reduxjs/toolkit";
 import { fetchLast20MessagesFromWindow } from "../../services/fetchLast20Messages";
 import { setLast20Messages } from "../slices/last20MessagesSlice";

redux/thunks/fetchOpcUaSettingsThunk.ts

@@ -0,0 +1,24 @@
+// ✅ 2. Thunk: /redux/thunks/fetchOpcUaSettingsThunk.ts
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { fetchOpcUaSettings } from "../../services/fetchOpcUaSettings";
+import {
+  setOpcUaZustand,
+  setOpcUaEncryption,
+  setOpcUaActiveClientCount,
+  setOpcUaNodesetName,
+  setOpcUaUsers,
+} from "../slices/opcuaSettingsSlice";
+
+export const fetchOpcUaSettingsThunk = createAsyncThunk(
+  "opcuaSettings/fetch",
+  async (_, { dispatch }) => {
+    const data = await fetchOpcUaSettings();
+    if (!data) return;
+
+    dispatch(setOpcUaZustand(data.zustand));
+    dispatch(setOpcUaEncryption(data.encryption));
+    dispatch(setOpcUaActiveClientCount(data.clientCount));
+    dispatch(setOpcUaNodesetName(data.nodesetName));
+    dispatch(setOpcUaUsers(data.users));
+  }
+);