Update Form.tsx and make submit method public (rjsf-team#4029)

* Update Form.tsx and make submit method public

* Update Form.tsx and make submit public

* Update CHANGELOG.md and add an entry for submit method changes

* Update CHANGELOG.md

---------

Co-authored-by: Heath C <51679588+heath-freenome@users.noreply.github.com>

CHANGELOG.md

@@ -24,6 +24,7 @@ should change the heading of the (upcoming) version to include a major version b
 ## @rjsf/core
 
 - Removed `dateElementProps` function implementation, and replaced it with `getDateElementProps` from `@rjsf/utils`.
+- Modify submit method to make it a public method, fixing [#4015](https://github.com/rjsf-team/react-jsonschema-form/issues/4015)
 
 ## @rjsf/antd
 

packages/core/src/components/Form.tsx

@@ -742,7 +742,7 @@ export default class Form<
   }
 
   /** Provides a function that can be used to programmatically submit the `Form` */
-  submit() {
+  submit = () => {
     if (this.formElement.current) {
       this.formElement.current.dispatchEvent(
         new CustomEvent('submit', {
@@ -751,7 +751,7 @@ export default class Form<
       );
       this.formElement.current.requestSubmit();
     }
-  }
+  };
 
   /** Attempts to focus on the field associated with the `error`. Uses the `property` field to compute path of the error
    * field, then, using the `idPrefix` and `idSeparator` converts that path into an id. Then the input element with that