[dashboard] Can not remove row inside Tab

[graceguo-supercat]

In dashboard, user can not remove a Row component inside a Tab component. But if Row is added without Tab, it could be removed.

Screenshots

Environment

latest master

Checklist

Make sure to follow these steps before submitting your issue - thank you!

• I have checked the superset logs for python stacktraces and included it here as text if there are any.
• I have reproduced the issue with at least the latest released version of superset.
• I have checked the issue tracker for the same issue and I haven't found one similar.

Additional context

Cause by #11160. CC @kgabryje @junlincc @zuzana-vej this is a high priority issue.

[junlincc]

got it, thanks for linking the PR! @graceguo-supercat 🙏

[junlincc]

#11691 @graceguo-supercat ready for you review, 8 hours from reporting, not too bad right? 😉

[junlincc]

tested all good. closing

fix by #11691