docs: update field component example to use modern React patterns

[dhfra21]

Problem

 The documentation currently recommends using defaultProps for function components, which is being removed in React 19.

 ## Solution
 Update the example to use modern React patterns with parameter destructuring and default values.

 ## Additional Checks
 - [x] The PR targets `master` for a documentation fix
 - [x] The documentation is up to date