Hi Vigneswaran,
Thanks for the update
Based on your provided code example, we have prepared a sample which was same as your application scenario and tried to reproduce the issue, but it was unsuccessful. We are not facing any problem in Chrome browser. Please refer the below sample and screenshot for more information.
From validating your shared video demo, we found that the childGrid data and expand icon was not aligned properly. Please refer the below screenshot for more information.
Screenshot:
So, before we start providing solution on your query, we need some information for our clarification. So please share the below details that would be helpful for us to provide better solution.
1) Please confirm If you are used any custom CSS. If yes means, please share the custom CSS code.
2) Have you faced any script error in the console? If yes, share the screenshot and stack trace of an issue.
Regards,
Rajapandi R