Add require-privacy option for New-SmbGlobalMapping (default: true)

[vitaliy-leschenko]

What type of PR is this?
/kind feature

What this PR does / why we need it:
Currently New-SmbGlobalMapping is called always with option -RequirePrivacy $true. It might be a reason for the issue when SMB server doesn't support encryption. This PR allows to change this behavior by adding new flag (-require-privacy) to csi-proxy.exe. It is true by default for backward compatibility. If we want to allow call New-SmbGlobalMapping without -RequirePrivacy $true just add -require-privacy=false to csi-proxy arguments.

The flag (-require-privacy) has been added. If true, New-SmbGlobalMapping will be called with -RequirePrivacy $true

[k8s-ci-robot]

Hi @vitaliy-leschenko. Thanks for your PR.

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[andyzhangx]

/ok-to-test

[andyzhangx]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, vitaliy-leschenko

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