https://blazorrepl.telerik.com/QGadEnbT24qbDh1G49
If the window component does not implement a Width parameter, it will seem like docked to right when dragging. The issue stems from the update of top and left styles while the width of the component grows with them.
1. Open the repl
2. Initiate dragging
**Workaround**
Set the Width parameter of the Window component