formContext is undefined when using a custom schemaField

[snowbambo]

Prerequisites

• I have read the documentation;
• In the case of a bug report, I understand that providing a SSCCE example is tremendously useful to the maintainers.
• Ideally, I'm providing a sample JSFiddle or a shared playground link demonstrating the issue.

Description

First of all sorry if this is not the correct way of posting, I am not used to that so please tell me if I do anything wrong.

So I'm trying to use a custom SchemaField and according to the documentation I'm supposed to be able to use the same props as the one in a custom field. But while I am able to retrieve the formContext property on all of my custom code (custom widget and custom object field template), it is always undefined when I try to use it in the custom SchemaField.

Steps to Reproduce

1. create a custom SchemaField
2. create a formContext with some property
3. provide the custom schemaField and the formContext to the form

Expected behavior

formContext should not be undefined in the custom schemaField

Actual behavior

formContext is undefined

Version

rjsf/core: 2.4.1

const CustomSchemaField = (props: any) => {

	const { onChange, name, formContext } = props;

	//here the formContext is undefined
	console.log(formContext)

	return (
		<SchemaField {...props} />
	)
}

[heath-freenome]

Fixed in v5 beta via #3040, see the 5.x migration guide