[bug] local-storage storageclass, S3 restore has skip.

[acekingke]

Describe the problem

if use yaml as follow, S3 backup restore, it will skip the restore process.

persistence:
    enabled: true
    accessModes:
      - ReadWriteOnce
    storageClass: "local-storage"
    size: 20Gi

To Reproduce

1. the reason is that : updatePvc will delete the pvc, but will not delete data in local-storage, so it will skip the restore process.
2. It will modify the sidecar , when local-storage , should delete the direcotry all. then restore it.
3. local-storage do not support extend pvc.

Expected behavior

Environment:
local storage provider
kubeShpere 3.1.1

• RadonDB MySQL version: v2.1.1

[andyli029]

Context.

[acekingke]

do not repeat it . when cluster delete ,data is lost.

[Littlehhao]

If I uninstall the cluster, I don't want to delete the pvc. what should be done

@acekingke