The CartesianSeries Dispose Method cannot be overridden

We are extending Radzen components in our application where we extensively override the Dispose() method to clean up properly.
We discovered that the CartesianSeries Dispose method cannot be overridden as it is not marked as virtual.
I am kindly requesting that the Dispose method be made virtual if it does not affect existing work so far.

Hi @D_Josh,

Feel free to submit a pull request with the proposed change.