feat: implement map-specific localStorage and TALAS-Kabelstrecken dependency logic

- Add map-specific localStorage keys using URL parameters (m=mapId, u=userId)
- Implement kartenspezifische Sichtbarkeitseinstellungen per Map/User
- Fix localStorage priority over GisSystemStatic Allow values to preserve user settings
- Add bidirectional TALAS ↔ Kabelstrecken dependency logic:
  * Kabelstrecken aktiviert → TALAS automatisch aktiviert
  * TALAS deaktiviert → Kabelstrecken automatisch deaktiviert
- Update mapLayersSlice.js to respect existing localStorage values over system defaults
- Modify MapComponent.js to load map-specific visibility settings on mount
- Update MapLayersControlPanel.js with kartenspezifische localStorage handling
- Fix useDynamicDeviceLayers.js visibility logic (corrected boolean conditions)
- Update useAreaMarkersLayer.js for map-specific localStorage keys

BREAKING CHANGES:
- localStorage structure changed from "mapLayersVisibility" to "mapLayersVisibility_m{mapId}_u{userId}"
- User visibility preferences now have priority over GisSystemStatic Allow values
- TALAS and Kabelstrecken are now logically linked (dependency relationship)

This resolves issues with:
- Map switching losing visibility settings
- Browser reload overriding user preferences with system defaults
- Missing logical connection between TALAS stations and their cable routes

components/devices/hooks/useDynamicDeviceLayers.js

@@ -71,18 +71,28 @@ const useDynamicDeviceLayers = (map, GisSystemStatic, mapLayersVisibility, prior
 
     Object.entries(markerStates).forEach(([key, markers]) => {
       const isVisible = mapLayersVisibility[key];
+
       markers.forEach(marker => {
         const hasLayer = map.hasLayer(marker);
-        if (editMode || !isVisible) {
-          if (hasLayer) map.removeLayer(marker);
-        } else {
-          if (!hasLayer) marker.addTo(map);
+
+        // Logik korrigiert:
+        // - Im editMode: alle Marker verstecken
+        // - Nicht im editMode: nur sichtbare Marker anzeigen (isVisible === true)
+        if (editMode || isVisible === false) {
+          // Marker verstecken
+          if (hasLayer) {
+            map.removeLayer(marker);
+          }
+        } else if (isVisible === true) {
+          // Marker anzeigen (nur wenn explizit true)
+          if (!hasLayer) {
+            marker.addTo(map);
+          }
         }
       });
     });
 
     const allMarkers = Object.values(markerStates).filter(Array.isArray).flat();
-
     checkOverlappingMarkers(map, allMarkers, plusRoundIcon);
   }, [map, markerStates, mapLayersVisibility]);