Column.Filterable.Ui option of the TreeList widget does not call the handler function. Can be replicated only in ASP.NET Core.
* **Kendo UI version:** 2020.2.617
* **jQuery version:** 1.12.4
* **Browser:** [all]
We're using a drop down list as a grid cell's edit template, but.. our users are unable to properly edit the rows at the bottom of the grid due to drop down list going off the page, and closing when they attempt to scroll.