feat(openebs/scale): Add GUI to set default storageclass location and…

… disable device-based storageClass (truecharts#19191)

**Description**
This is, besides documentation and minor common-work, the primary thing
required before we can support TrueNAS SCALE DragonFish

**⚙️ Type of change**

- [x] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

**🧪 How Has This Been Tested?**
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**📃 Notes:**
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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

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charts/operators/openebs/Chart.yaml

@@ -42,4 +42,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/operators/openebs
   - https://github.com/truecharts/containers/tree/master/apps/scratch
 type: application
-version: 3.5.2
+version: 3.5.3

charts/operators/openebs/questions.yaml

@@ -1,3 +1,53 @@
 # Include{groups}
 questions:
 # Include{global}
+
+  - variable: openebs
+    group: "Storage and Persistence"
+    label: "OpenEBS Settings"
+    schema:
+      type: dict
+      additional_attrs: true
+      attrs:
+        - variable: localprovisioner
+          label: "Localprovisioner Settings"
+          schema:
+            type: dict
+            additional_attrs: true
+            attrs:
+              - variable: enableDeviceClass
+                label: "enableDeviceClass"
+                schema:
+                  type: boolean
+                  default: false
+                  hidden: true
+              - variable: hostpathClass
+                label: "hostpathClass"
+                schema:
+                  additional_attrs: true
+                  type: dict
+                  attrs:
+                    - variable: reclaimPolicy
+                      label: "reclaimPolicy"
+                      schema:
+                        type: string
+                        required: true
+                        default: "Retain"
+                        enum:
+                          - value: Retain
+                            description: Retain (Keep Data on App Deletion)
+                          - value: Delete
+                            description: Delete (Delete data on App Deletion)
+                    - variable: isDefaultClass
+                      label: "Default Class"
+                      schema:
+                        type: boolean
+                        required: true
+                        default: true
+                    - variable: basePath
+                      label: "basePath"
+                      description: "Path to store your application data into"
+                      schema:
+                        type: string
+                        required: true
+                        default: ""