Bug report

The callout arrow disappears when invoking open() method

Reproduction of the problem

Open the Dojo:  https://dojo.telerik.com/ifeweJOj

Make the Dojo result part width between 700px and 1300px

Click on the next navigation narrow of the Timeline

Click on the Open first element button

Expected/desired behavior

The callout arrow shall be present

Environment
Kendo UI version: [all]
Browser: [all]