Bug report

When the PanelBar is configured in MVVM the contentUrls does not take effect

Reproduction of the problem

1. Open the Dojo example - https://dojo.telerik.com/EGOfUtAy/3

Current behavior

The contentUrls does not take effect and no content is loaded in the PanelBar

Expected/desired behavior

It should be possible to use contentUrls in MVVM scenario.

Environment

• Kendo UI version: 2023.1.117
• Browser: [all]