fix(module): fix virtualization overview dashboard duplicate series issue

[fl64]

fix virtualization overview dashboard duplicate series issue

Why do we need it, and what problem does it solve?

Due to the migration of the VM, there was a problem with duplicating the series.

What is the expected result?

Checklist

• The code is covered by unit tests.
• e2e tests passed.
• Documentation updated according to the changes.
• Changes were tested in the Kubernetes cluster manually.

Changelog entries

section: module
type: fix
summary: fix virtualization overview dashboard duplicate series issue