fix: add ReservedDataDiskSlotNum copy from DriverOptions to Driver struct

[ClementLachaussee]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Adds code that is required for the parameter ReservedDataDiskSlotNum to be used

Special notes for your reviewer:

https://github.com/kubernetes-sigs/azuredisk-csi-driver/blob/master/pkg/azuredisk/nodeserver.go#L395 was not modified even with VolumeAttachLimit < 0
It seems the option wasn't given to the Driver.ReservedDataDiskSlotNum which was = to 0

Release note:

[k8s-ci-robot]

Hi @ClementLachaussee. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ClementLachaussee]

/kind bug

[andyzhangx]

/ok-to-test

[andyzhangx]

can you squash all commits to one? git rebase -i HEAD~7

[ClementLachaussee]

/retest

[andyzhangx]

/lgtm
/retest

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, ClementLachaussee

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[andyzhangx]

/cherrypick release-1.30

[andyzhangx]

/cherrypick release-1.29

[andyzhangx]

/cherrypick release-1.28

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #2385

In response to this:

/cherrypick release-1.30

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request could not be created: failed to create pull request against kubernetes-sigs/azuredisk-csi-driver#release-1.29 from head k8s-infra-cherrypick-robot:cherry-pick-2384-to-release-1.29: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between kubernetes-sigs:release-1.29 and k8s-infra-cherrypick-robot:cherry-pick-2384-to-release-1.29"}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request","status":"422"}

In response to this:

/cherrypick release-1.29

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #2386

In response to this:

/cherrypick release-1.28

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[andyzhangx]

/cherrypick release-1.29

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request could not be created: failed to create pull request against kubernetes-sigs/azuredisk-csi-driver#release-1.29 from head k8s-infra-cherrypick-robot:cherry-pick-2384-to-release-1.29: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between kubernetes-sigs:release-1.29 and k8s-infra-cherrypick-robot:cherry-pick-2384-to-release-1.29"}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request","status":"422"}

In response to this:

/cherrypick release-1.29

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.