Hi Ryan,
I am afraid that I am not able to reproduce the issue you have mentioned. I created a sample to reproduce the issue and I found it working fine. Herewith I have attached the sample.
Docking Please try running the above sample. If still the issue exists, kindly try reproducing it with this sample and send it back to me so that it would help me to find out the cause of the issue.
Thanks for your interest in Syncfusion products
Best Regards,
Golda