chore: group delete modal

Created by: xuliwenwenwen

Signed-off-by: xuliwenwenwen liwenxu@yunify.com

What type of PR is this?

/kind optimization

What this PR does / why we need it: Optimize the prompt tip when deleting a group

Which issue(s) this PR fixes:

Fixes #1538 (closed)

Special notes for reviewers:

Additional documentation, usage docs, etc.: