Which Umbraco version are you using?

16.0.0

Bug summary

In new backoffice Bellissima the BlockGrid loads document types twice. This is a performance issue and may be a hint for a more general issue of the workspace context.

Specifics

No response

Steps to reproduce

1. Create a document type for block content with a simple property e.g. textbox alias text.
2. Create a document type for block layout.
3. Create a BlockGrid data type and configure layout and content blocks.
4. Create a document type for content page with a property based on BlockGrid data type., allowed at root.
5. Create content page and add some blocks to the grid property.
6. Open DevTools and inspect the network fetch actions and you'll see the grid data types are loaded twice.

This item has been added to our backlog AB#54076