Merge pull request #2385 from k8s-infra-cherrypick-robot/cherry-pick-…

…2384-to-release-1.30

[release-1.30] fix: add ReservedDataDiskSlotNum copy from DriverOptions to Driver struct

pkg/azuredisk/azuredisk.go

@@ -145,6 +145,7 @@ func newDriverV1(options *DriverOptions) *Driver {
 	driver.Version = driverVersion
 	driver.NodeID = options.NodeID
 	driver.VolumeAttachLimit = options.VolumeAttachLimit
+	driver.ReservedDataDiskSlotNum = options.ReservedDataDiskSlotNum
 	driver.perfOptimizationEnabled = options.EnablePerfOptimization
 	driver.cloudConfigSecretName = options.CloudConfigSecretName
 	driver.cloudConfigSecretNamespace = options.CloudConfigSecretNamespace