Fix setcap on first v4 start (#1641)
Fix setcap on first v4 start (#1641)

* do not fail to setcap if no node version was present on first v4 start

- closes #1640

* use path.join for lstat file check
ioBroker/ioBroker.js-controller,ioBroker/ioBroker.js-controller,ioBroker/ioBroker.js-controller