The initially selected option of a DropDownList filter menu is not set #6732
Description
Bug report
When the Grid filter menu is customized with a DropDownList, the initial option defined by using the "index" property is not set.
Reproduction of the problem
A Dojo sample for reproduction: https://dojo.telerik.com/OmeXUfaF/3
Expected/desired behavior
The DropDownList should be initialized with an initially selected option.
Environment
- **Kendo UI version: 2022.1.119
- **jQuery version: 1.12.4
- **Browser: [all]