Shift selection not working as desired in Grid with multi-column headers #6863
Description
Bug report
Shift selection is not working correctly when multi-column headers are configured in a grid and selectable: "multiple cell" is configured
Reproduction of the problem
Dojo : https://dojo.telerik.com/@shashi.kumar/IdeKUHam
Current behavior
Shif selection not working correctly
TicketID: 1566724
Environment
Kendo UI version: 2022.2.510
jQuery version: any. Demo 1.12.4 and our code is 3.6.0
Browser: [all]