Switching Examples in the Vue dev App leads to errors

### Describe the bug

When switching the example for the first time in the vue examples app, an error is shown in the console and JSONForms doesn't render the new example.
After the error appeared, switching between examples seems to work properly again.

### Expected behavior

Switching the example without errors.

### Steps to reproduce the issue

1. run the vue-vanilla example app
2. select a new example e.g Person
3. you can see an error in the console and JSONForms still shows the privious example.

### Screenshots


### In which browser are you experiencing the issue?

Google Chrome 109.0.5414.120

### Which Version of JSON Forms are you using?

v3.1.0-alpha.1

### Framework

Vue 3

### RendererSet

Vanilla

### Additional context

_No response_