Assign vGpu id when assigning vGpus to Harvester Cluster

[torchiaf]

Summary

Fixes #10905

Occurred changes and/or fixed issues

Technical notes summary

The vGpu name should be same of vGpu id from Harvester device object.

Areas or cases that should be tested

• Create a new Harvester Cluster and assign vGpu device to it.
• Go to Harvester and select the cluster provisioning VM from Virtual Machines tab.
• Click on edit or view.
• Go to vGpus devices tab and check if the vGpu is assigned to the VM

Areas which could experience regressions

Screenshot/Video

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
• The PR has a Milestone
• The PR template has been filled out
• The PR has been self reviewed
• The PR has a reviewer assigned
• The PR has automated tests or clear instructions for manual tests and the linked issue has appropriate QA labels, or tests are not needed
• The PR has reviewed with UX and tested in light and dark mode, or there are no UX changes

[rak-phillip]

LGTM - I just have one comment about the change.

[rak-phillip]

Should we test for clusterId instead? I don't see any situation where url would be falsy given the statements above.

[torchiaf]

That's true, thanks!