inherit k8s default volumeSnapshotClass

[hu-keyu]

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Please add a summary of your change

Make compatible changes based on the GetVolumeSnapshotClassForStorageClass method，not break existing behaviour.

Does your change fix a particular issue?

Fixes #8294

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• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file (make new-changelog) or comment /kind changelog-not-required on this PR.
• Updated the corresponding documentation in site/content/docs/main.

[anshulahuja98]

Please add changelog and docs changes.

[anshulahuja98]

Please also add the Fixes # number in PR description to link to the issue.