Focus is not present in Dialog nested in Window after Alt + Tab

[nelito987]

Bug report

When a Dialog is opened over Kendo Window, the focused element is not persisted after Alt + Tab.

Reproduction of the problem

1. Open the example - https://runner.telerik.io/fullscreen/xqMSPXPe.
2. Open the Window and then the Dialog.
3. Tab to focus the second input
4. Alt+Tab out of the browser window to another application.
5. Alt+Tab back to the browser.

Current behavior

The focus is not persistent.
In case the Dialog is not placed in a Window and the same steps are followed, the focus is persisted dojo.
screencast - https://go.screenpal.com/watch/cTQqIunDnRD

Expected/desired behavior

The focus should be persistent when changing the open app by using Alt + Tab.

Environment

• Kendo UI version: 2025.3.825
• Browser: [all ]