Use blocks openai assistants in layout builder

Problem/Motivation

Sometimes you want the assistent to be shown on a certain/page layout. With layout builder you could place the open assistants block
where you want and even multiple in different colums/rows. At this time the block(form) is not rendered if i put a open assistants block in layout builder.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes