feat: support nfs volume clone and snapshot restore

[andyzhangx]

What type of PR is this?
/kind feature

What this PR does / why we need it:
feat: support nfs volume clone and snapshot restore

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

I0706 15:15:32.397069       1 utils.go:105] GRPC call: /csi.v1.Controller/CreateVolume
I0706 15:15:32.397092       1 utils.go:106] GRPC request: {"capacity_range":{"required_bytes":107374182400},"name":"pvc-0d58dc6a-84b9-4bcc-b4aa-4cc3ff2543bd","parameters":{"csi.storage.k8s.io/pv/name":"pvc-0d58dc6a-84b9-4bcc-b4aa-4cc3ff2543bd","csi.storage.k8s.io/pvc/name":"pvc-azurefile-snapshot-restored2","csi.storage.k8s.io/pvc/namespace":"default","protocol":"nfs","resourceGroup":"andy-dev","storageAccount":"andynfs"},"volume_capabilities":[{"AccessType":{"Mount":{"mount_flags":["nconnect=4","noresvport","actimeo=30"]}},"access_mode":{"mode":5}}],"volume_content_source":{"Type":{"Snapshot":{"snapshot_id":"MC_andy-aks133_andy-aks133_eastus2euap#fe96b913cf7ba475692f8b7#pvcn-c876738d-62ab-47b5-89c7-68f21cc6d181###default#2025-07-06T07:52:19.0000000Z"}}}}
I0706 15:15:32.397496       1 azure.go:224] updateSubnetServiceEndpoints on vnetName: aks-vnet-16027573, subnetName: , location: eastus2euap
I0706 15:15:32.397521       1 azure.go:236] subnet  under vnet aks-vnet-16027573 in rg MC_andy-aks133_andy-aks133_eastus2euap is already updated, vnetResourceIDs: [/subscriptions/b9d2281e-dcd5-4dfd-9a97-0d50377cdf76/resourceGroups/MC_andy-aks133_andy-aks133_eastus2euap/providers/Microsoft.Network/virtualNetworks/aks-vnet-16027573/subnets/aks-subnet]
I0706 15:15:32.397662       1 controllerserver.go:482] source volume account name: fe96b913cf7ba475692f8b7, sourceID: MC_andy-aks133_andy-aks133_eastus2euap#fe96b913cf7ba475692f8b7#pvcn-c876738d-62ab-47b5-89c7-68f21cc6d181###default#2025-07-06T07:52:19.0000000Z
I0706 15:15:32.669137       1 controllerserver.go:607] begin to create file share(pvcn-0d58dc6a-84b9-4bcc-b4aa-4cc3ff2543bd) on account(andynfs) type(Premium_LRS) subID() rg(andy-dev) location() size(100) protocol(NFS)
I0706 15:15:33.312934       1 azurefile_mgmt_client.go:87] created share pvcn-0d58dc6a-84b9-4bcc-b4aa-4cc3ff2543bd in account andynfs
I0706 15:15:33.312957       1 controllerserver.go:1447] use user assigned managed identity to authorize azcopy
I0706 15:15:33.326315       1 controllerserver.go:1170] azcopy job status: NotFound, copy percent: %, error: <nil>
I0706 15:15:33.326332       1 controllerserver.go:1188] copy fileshare fe96b913cf7ba475692f8b7:pvcn-c876738d-62ab-47b5-89c7-68f21cc6d181(snapshot: 2025-07-06T07:52:19.0000000Z) to andynfs:pvcn-0d58dc6a-84b9-4bcc-b4aa-4cc3ff2543bd
I0706 15:15:36.891766       1 controllerserver.go:1205] copied fileshare pvcn-c876738d-62ab-47b5-89c7-68f21cc6d181(snapshot: 2025-07-06T07:52:19.0000000Z) to pvcn-0d58dc6a-84b9-4bcc-b4aa-4cc3ff2543bd successfully

Release note:

feat: support nfs volume clone and snapshot restore

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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[andyzhangx]

/retest

[andyzhangx]

/cherrypick release-1.33

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #2713

In response to this:

/cherrypick release-1.33

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