Automatic merge from submit-queue (batch tested with PRs 64895, 64938, 63700, 65050, 64957). 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>.
In case storage class parameters are empty, create a new map for Portworx volume labels
Signed-off-by: Harsh Desai <harsh@portworx.com>
**What this PR does / why we need it**:
Fixes#64894
**Release note**:
```release-note
Fixes an issue where Portworx PVCs remain in pending state when created using a StorageClass with empty parameters
```
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