### Prerequisites - [X] I have searched the existing issues - [X] I understand that providing a [SSCCE](http://sscce.org/) example is tremendously useful to the maintainers. - [X] I have read the [documentation](https://react-jsonschema-form.readthedocs.io/) - [X] Ideally, I'm providing a [sample JSFiddle](https://jsfiddle.net/n1k0/f2y3fq7L/6/) or a [shared playground link](https://rjsf-team.github.io/react-jsonschema-form/) demonstrating the issue. ### What theme are you using? core ### Version 5.0.0-beta6 ### Current Behavior When using Firefox programmatic submit ends up embedding a copy of the entire page into the rendered form <img width="1529" alt="image" src="https://user-images.githubusercontent.com/17580037/190682346-589f0338-7846-4bff-a985-f16a397321f4.png"> ### Expected Behavior _No response_ ### Steps To Reproduce _No response_ ### Environment ```markdown - OS: - Node: - npm: ``` ### Anything else? _No response_