[WIP] feat: Support aznfs EiT

[cvvz]

What type of PR is this?

What this PR does / why we need it:

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:

Release note:

none

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[k8s-ci-robot]

PR needs rebase.

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[k8s-ci-robot]

@cvvz: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-azurefile-csi-driver-verify	781651d	link	true	/test pull-azurefile-csi-driver-verify
pull-azurefile-csi-driver-e2e-migration	781651d	link	true	/test pull-azurefile-csi-driver-e2e-migration
pull-azurefile-csi-driver-external-e2e-smb	781651d	link	true	/test pull-azurefile-csi-driver-external-e2e-smb
pull-azurefile-csi-driver-external-e2e-nfs	781651d	link	true	/test pull-azurefile-csi-driver-external-e2e-nfs
pull-azurefile-csi-driver-e2e-migration-windows	781651d	link	true	/test pull-azurefile-csi-driver-e2e-migration-windows
pull-azurefile-csi-driver-e2e-capz-windows-2022-hostprocess	781651d	link	true	/test pull-azurefile-csi-driver-e2e-capz-windows-2022-hostprocess
pull-azurefile-csi-driver-e2e-capz-windows-2019	781651d	link	true	/test pull-azurefile-csi-driver-e2e-capz-windows-2019
pull-azurefile-csi-driver-e2e-capz-windows-2019-hostprocess	781651d	link	true	/test pull-azurefile-csi-driver-e2e-capz-windows-2019-hostprocess
pull-azurefile-csi-driver-e2e-capz	781651d	link	true	/test pull-azurefile-csi-driver-e2e-capz
pull-azurefile-csi-driver-e2e-capz-windows-2022	781651d	link	true	/test pull-azurefile-csi-driver-e2e-capz-windows-2022

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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