[data grid] Checkbox selection doesnt work for grouped items

[gor918]

Steps to reproduce

Link to live example: (required)
https://stackblitz.com/edit/react-8o1qer?file=Demo.tsx

Steps:

1. expand first row
2. click to first checkbox (20th Century Fox (3))

Current behavior

After clicking on the first row (20th Century Fox (3)), only the parent row is selected

Expected behavior

When rows are grouped, clicking on a parent row should also select all grouped child rows

Context

No response

Your environment

npx @mui/envinfo

  Don't forget to mention which browser you used.
  Output from `npx @mui/envinfo` goes here.

Search keywords: row selection, group
Order ID: #76565

[arminmeh]

Hi @gor918
There is an open PR that is adding a behavior that you need

If you are ok with it, I will close this issue as a duplicate of #4248 (point 1) and you can follow the progress in the other ticket/PR

In case you think that this does not fully cover your use case, feel free to reopen the issue and comment with additional details.

[github-actions]

⚠️ This issue has been closed. If you have a similar problem but not exactly the same, please open a new issue.
Now, if you have additional information related to this issue or things that could help future readers, feel free to leave a comment.

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[oliviertassinari]

Duplicate of #4248