Bug: not possible to add action items for templates

When trying to create a custom template it is not possible to add default action items (or checklist). The bug is present in the live version on huly.app

<img width="893" height="547" src="https://github.com/user-attachments/assets/d66d8b01-06c2-42d8-9233-c712dbc116ee" alt="Image">