fix(questions): fix imagePullSecret list item (#16853)

**Description**
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⚒️ Fixes  #16592

**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [x] 🪛 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 opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

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templates/questions/general/podOptions.yaml

@@ -80,27 +80,39 @@
             type: dict
             additional_attrs: true
             attrs:
-              - variable: registry
+              - variable: enabled
-                label: "Registry"
+                label: Enabled
                 schema:
-                  type: string
+                  type: boolean
-                  required: true
+                  default: true
-                  default: "https://index.docker.io/v1/"
+              - variable: data
-              - variable: username
+                label: Data
-                label: "Username"
                 schema:
-                  type: string
+                  type: dict
-                  required: true
+                  additional_attrs: true
-                  default: ""
+                  attrs:
-              - variable: password
+                    - variable: registry
-                label: "Password"
+                      label: "Registry"
-                schema:
+                      schema:
-                  type: string
+                        type: string
-                  required: true
+                        required: true
-                  default: ""
+                        default: "https://index.docker.io/v1/"
-              - variable: email
+                    - variable: username
-                label: "Email"
+                      label: "Username"
-                schema:
+                      schema:
-                  type: string
+                        type: string
-                  required: true
+                        required: true
-                  default: ""
+                        default: ""
+                    - variable: password
+                      label: "Password"
+                      schema:
+                        type: string
+                        required: true
+                        private: true
+                        default: ""
+                    - variable: email
+                      label: "Email"
+                      schema:
+                        type: string
+                        required: true
+                        default: ""