Bug report

When a DropDownTree is placed in a Kendo Dialog, an alert about 'Blocked area-hidden...' element appears in the console once the DropDownTree is opened.

Reproduction of the problem

1. Run the Dojo - https://dojo.telerik.com/RyeUSdVM
2. Open the Dialog and then open the DropDownTree.
3. Select an item in the DropDownTree.

Current behavior

A warning Blocked aria-hidden on an element because its descendant retained focus. The focus must not be hidden from assistive technology users. Avoid using aria-hidden on a focused element or its ancestor.... appear

Expected/desired behavior

There should be no warnring about hidden elements in the console.

Environment

• **Kendo UI version:**2025.3.1002
• Browser: [all ]