PWX-37565 | Add missing fields in Helm for CSI

[hitesh-wani-px]

What this PR does / why we need it:
This PR will add missing field in the helm for CSI
Which issue(s) this PR fixes (optional)
Closes #https://purestorage.atlassian.net/browse/PWX-37565

Special notes for your reviewer:

[hitesh-wani-px]

Testing Notes:

1. Disabling CSI

   csi: 
      enabled: false                     
      topology:  
         enabled: false                    
      installSnapshotController: false 

   Generated storageCuster spec

      # Source: portworx/templates/storage-cluster.yaml
      kind: StorageCluster
      apiVersion: core.libopenstorage.org/v1
      metadata:
        name: "mycluster"
        namespace: portworx
        annotations:
        labels:
          heritage: "Helm"
          release: "my-release"
          chart: "portworx-3.1.0"
          app.kubernetes.io/managed-by: "Helm"
          app.kubernetes.io/instance: "my-release"
      spec:
        image: portworx/oci-monitor:3.1.0
        imagePullPolicy: Always
   
        kvdb:
          internal: true
        storage:
          useAll: true
        secretsProvider: k8s
   
        env:
        - name: PX_SECRETS_NAMESPACE
          value: portworx
   
        stork:
          enabled: true
        csi:
          enabled: false

2. Enabling CSI
   1. Enable topology

      csi: 
        enabled: true                     
        topology: 
            enabled: true                     
        installSnapshotController: false

      Generated storageCluster Spec

      kind: StorageCluster
      apiVersion: core.libopenstorage.org/v1
      metadata:
        name: "b12de6b1-a167-48f4-9a0d-e7b2ab0dbc74"
        namespace: portworx
        annotations:
        labels:
          heritage: "Helm"
          release: "my-release"
          chart: "portworx-3.1.0"
          app.kubernetes.io/managed-by: "Helm"
          app.kubernetes.io/instance: "my-release"
      spec:
        image: portworx/oci-monitor:3.1.0
        imagePullPolicy: Always
      
        kvdb:
          internal: true
        storage:
          useAll: true
        secretsProvider: k8s
      
        env:
        - name: PX_SECRETS_NAMESPACE
          value: portworx
      
        stork:
          enabled: true
        csi:
          enabled: true
          topology:
            enabled: true
          installSnapshotController: false

   2. Enable snapshotter controller

      csi: 
        enabled: true                      
        installSnapshotController: true    

      Generated storageCluster spec

      kind: StorageCluster
      apiVersion: core.libopenstorage.org/v1
      metadata:
        name: "db1bb375-75f0-4bc9-9a2a-df09ecbd36f1"
        namespace: portworx
        annotations:
        labels:
          heritage: "Helm"
          release: "my-release"
          chart: "portworx-3.1.0"
          app.kubernetes.io/managed-by: "Helm"
          app.kubernetes.io/instance: "my-release"
      spec:
         image: portworx/oci-monitor:3.1.0
         imagePullPolicy: Always
      
        kvdb:
           internal: true
        storage:
          useAll: true
        secretsProvider: k8s
      
        env:
        - name: PX_SECRETS_NAMESPACE
           value: portworx
      
        stork:
           enabled: true
        csi:
          enabled: true
          installSnapshotController: true

Unit test cases results:

--- PASS: TestStorageClusterHelmTemplate (0.00s)
    --- PASS: TestStorageClusterHelmTemplate/TestCSITopologyEnabled (0.09s)
    --- PASS: TestStorageClusterHelmTemplate/TestCSISnapshotControllerEnabled (0.09s)
    --- PASS: TestStorageClusterHelmTemplate/TestDefaultChartValues (0.09s)
    --- PASS: TestStorageClusterHelmTemplate/TestPlacementTolerations (0.10s)
    --- PASS: TestStorageClusterHelmTemplate/TestExternalETCD (0.10s)
    --- PASS: TestStorageClusterHelmTemplate/TestCustomRegistry (0.10s)
    --- PASS: TestStorageClusterHelmTemplate/TestAllComponentsEnabled (0.10s)
PASS
ok      github.com/portworx/helm/test/portworx  0.125s

[nikita-bhatia]

@hitesh-wani-px

• Please change the base branch to feature branch for helm : PWX-29986
• Rebase the PR's branch to testing framework branch
• Add UTs for the CSI component

[nikita-bhatia]

LGTM