[Bug] [UI] After we delete the worker group, but this task group still keep in the task setting.

[DarkAssassinator]

Search before asking

• [X] I had searched in the issues and found no similar issues.

What happened

in #12000, after deleted the worker group, then edit the task setting, the app01 still show in the setting.

What you expected to happen

the worker group should be null

How to reproduce

delete a worker group and then edit the task setting.

Anything else

No response

Version

dev

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!

Code of Conduct

• [X] I agree to follow this project's Code of Conduct

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[Amy0104]

It seems that the worker group can not be deleted. @DarkAssassinator

[DarkAssassinator]

It seems that the worker group can not be deleted. @DarkAssassinator

but after i fix this deleted bug, this case still do not resolve.

[hstdream]

I think that when deleting the workgroup, it is necessary to verify whether the use.