fix: add cable_id to API response for cable highlighting

backend/app/api/v1/visualization.py

@@ -66,6 +66,7 @@ def convert_cable_to_geojson(records: List[CollectedData]) -> Dict[str, Any]:
                 "geometry": {"type": "MultiLineString", "coordinates": all_lines},
                 "properties": {
                     "id": record.id,
+                    "cable_id": record.name,
                     "source_id": record.source_id,
                     "Name": record.name,
                     "name": record.name,