Hi Omar,
Thank you for contacting Syncfusion support.
We have checked your reported issue and we would like to let you know that it is a known issue and we have already fixed it, and it will be available in this patch (18.4.42). So, we suggest you to upgrade our Syncfusion packages to our latest version to resolve this issue in your end. For your reference, we have prepared a sample with latest version. Please check the below link.
Please let us know if you need further assistance on this.
Regards,
Gayathri K