Component instance children are not rendered

## Description of Bug

## How to Reproduce

1. Create component
2. Create an instance of that component in page builder
3. Add child elements for that component instance
4. Component children will not render anywhere

## Video/Screenshot Showing Bug

<img width="990" height="486" alt="Image" src="https://github.com/user-attachments/assets/3d3fe990-5b6a-4bf1-aaed-152e1563868b" />