fix: #2768 by returning id on the Form.onChange handler

[heath-freenome]

Reasons for making this change

Fixed #2768 by improving the onChange callback on Form to return the id of the field experiencing the change

• In @rjsf/utils, updated the FieldProps type for onChange to add an optional id: string parameter, making onChange for FieldTemplateProps use FieldProps definition
• In @rjsf/core, updated the library to support returning an optional second parameter, id: string, to the onChange() prop on Form as follows:
  • Updated the Form.onChange() callback handler passed to all fields to take an optional third parameter, id: string, passing it out to the onChange() prop call
  • Updated ArrayField to make the callback returned from the onChangeForIndex() method take the additional id parameter and pass it along to the props.onChange() handler
  • Updated MultiSchemaField to make the onOptionChange() method pass along the this.getFieldId() value to the props.onChange() handler
    • Refactored the id logic for the select widget used in the MultiSchemaField into the getFieldId() method
  • Updated ObjectField to make the callback returned from the onPropertyChange() method take the additional id parameter and pass it along to the props.onChange() handler
  • Updated SchemaField to add a new handleFieldComponentChange() callback that ensures that an id is passed up the onChange callback chain
    • Updated the render of the FieldComponent to pass the handleFieldComponentChange() as the onChange handler
    • Updated all of the tests to check for the id in those situations when it is passed back - In @rjsf/playground, updated the onFormDataChange handler to log the id of the changed field if it is provided - Updated the form-props.md documentation to describe the new id parameter that may be returned - Upda
• In @rjsf/playground, updated the onFormDataChange handler to log the id of the changed field if it is provided
• Updated the form-props.md documentation to describe the new id parameter that may be returned
• Updated the CHANGELOG.md accordingly

Checklist

• I'm updating documentation
  • I've checked the rendering of the Markdown text I've added
• I'm adding or updating code
  • I've added and/or updated tests. I've run npm run test:update to update snapshots, if needed.
  • I've updated docs if needed
  • I've updated the changelog with a description of the PR
• I'm adding a new feature
  • I've updated the playground with an example use of the feature