[cherry-pick] Modify the StorageClass install and delete code.

[blackpiglet]

• Only install and uninstall SC and VSC once for default cluster.
• Install and uninstall SC and VSC for standby cluster on migration case.
• Refactor the StorageClass and VolumeSnapshotClass YAMLs.
• Prettify the e2e_suite_test.go

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Fixes #(issue)

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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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.11%. Comparing base (a01e82d) to head (e78d082).
Report is 3 commits behind head on release-1.15.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.15    #8530   +/-   ##
=============================================
  Coverage         59.11%   59.11%           
=============================================
  Files               367      367           
  Lines             39118    39118           
=============================================
  Hits              23126    23126           
  Misses            14523    14523           
  Partials           1469     1469           

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