I tested the Click event of the RadTileElement with the latest 2020.3.915 version and I confirm there is an issue with this event. I have logged it in our feedback portal by making this thread public. You can track its progress, subscribe for status changes, and add your comments on the following link - feedback item.
Currently, due to the specifics of the issue, I am not able to provide a workaround. Please excuse us for the inconvenience caused. Make sure that you follow the provided feedback item in order to get notified when the status has changed.
Should you have other questions please let me know.
Five days of Blazor, Angular, React, and Xamarin experts live-coding on twitch.tv/CodeItLive, special prizes, and more, for FREE?! Register now for DevReach 2.0(20).