Bug report

Using groupHeaderColumnTemplate in Group Paging causes group rows to render without a group-data-uid attribute

Reproduction of the problem
Dojo example: https://dojo.telerik.com/AzecInaY

Inspect grouping row element

Expected/desired behavior
The group-data-uid attribute shall be present

Environment
Kendo UI version: [all]
jQuery version: x.y
Browser: [all]