- Update `subusersRoute` to support subuser authentication and permission checks dynamically.
- Add new permission nodes (`SELFSERVE_LIST`, `SELFSERVE_EDIT`, `SELFSERVE_DELETE`) in `subusers_permission_node_key`.
- Fix typos in vehicle permission constants and ensure proper resolution.
- Enhance `vehiclesRoute` with effective customer context and scoped permission checks.
- Localize new permission nodes with descriptions in Danish.