Help button does not work for any data source and data point.

v4.0 beta-2
![Screenshot 2020-09-15 at 15 23 32](https://user-images.githubusercontent.com/47353996/93216017-7aabe800-f767-11ea-9075-afd9790db04f.png)
![Screenshot 2020-09-15 at 15 23 25](https://user-images.githubusercontent.com/47353996/93216024-7bdd1500-f767-11ea-84c1-6699b5045706.png)
