Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
CSI - Fix feature gate bug and add bootstrap RBAC rules
**What this PR does / why we need it**:
This PR addresses show-stopper bug https://github.com/kubernetes/kubernetes/issues/56532. It fixes the faulty feature gate logic and adds RBAC rules for kube-controller-manager and kubelet that allows `VolumeAttachment` API operations against the api-server.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56532, #56667
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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