Bug report

The loading spinner does not appear on the first data binding.

Reproduction of the problem

Reproduction :
https://dojo.telerik.com/iKoyESUV/7

1. Click on the 'Refresh' button. The loading spinner does not appear.
2. When the refresh button is clicked a second time, the spinner appears.

Current behavior

The loading spinner does not appear on the first data binding.

Expected/desired behavior

The loading spinner should appear on the first data binding too.

Environment

• Kendo UI version: 202x.r.ddd
• jQuery version: x.y
• Browser: [all ]