refactor: Entfernt Recoil-Atoms mapIdState & userIdState – ersetzt durch Redux-Slice urlParameter

- MapComponent.js nutzt jetzt useSelector für mapId/userId
- Übergabe dynamischer Parameter via dispatch(setMapId), dispatch(setUserId)
- Store um urlParameterReducer erweitert

redux/store.js

@@ -21,6 +21,7 @@ import polylineEventsDisabledReducer from "./slices/polylineEventsDisabledSlice"
 import readPoiMarkersStoreReducer from "./slices/readPoiMarkersStoreSlice";
 import selectedAreaReducer from "./slices/selectedAreaSlice";
 import zoomTriggerReducer from "./slices/zoomTriggerSlice";
+import urlParameterReducer from "./slices/urlParameterSlice";
 
 export const store = configureStore({
   reducer: {
@@ -45,5 +46,6 @@ export const store = configureStore({
     readPoiMarkersStore: readPoiMarkersStoreReducer,
     selectedArea: selectedAreaReducer,
     zoomTrigger: zoomTriggerReducer,
+    urlParameter: urlParameterReducer,
   },
 });