Builder crashes and does not recover on invalid react expression

[vladyslav-polishchuk]

Description of Bug

How to Reproduce

1. Create an element that has react props (for example AntDesignButton)
2. Try to return object from the react prop expression
3. Builder crashes. Page reload does not help.

Same thing if to specify object {} as a value of "children" on code mirror input (see video 2)

Video/Screenshot Showing Bug

Screen.Recording.2025-10-03.at.07.49.58.mov

Screen.Recording.2025-10-03.at.20.36.21.mov

[vladyslav-polishchuk]

Even after wrapping everything with react ErrorBoundary, and having nextjs error routes - dev mode got fixed but in production build there is full application crash: