Hi Eugen Dolgi,
Thanks for your update.
We are able to reproduce the issue from our side. We have already logged a bug report for this issue and we will fix this and we will provide patch for the reported issue on March 29,2019.
Please check the following link to track the bug report for the corresponding issue.
Feedback Link:
https://www.syncfusion.com/feedback/5323/ Please let us know if you have any other concern.
Regards,
Mugundhan S.