Default to Null Instead of Undefined

[aress31]

Prerequisites

• I have read the documentation

What theme are you using?

mui

Is your feature request related to a problem? Please describe.

    experimental_defaultFormStateBehavior={{
      emptyObjectFields: "populateAllDefaults",
      constAsDefaults: "always",
    }}

Can we add an option to select whether we want to default to null or undefined?

Describe the solution you'd like

No response

Describe alternatives you've considered

No response

[nickgros]

See my response to your issue in #4421 . For this specific request, we would consider this if you're interested in building it, but we might need to dig in to the JSON Schema spec and how it it aligns with your expected behavior to see if what you're asking for really makes sense.