Add support for rootMargin (#54176)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/54176

Changelog: [Internal] - Add support for `rootMargin` for IntersectionObserver.

Reference:
- https://www.w3.org/TR/intersection-observer/#dom-intersectionobserver-rootmargin
- https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver/rootMargin

Reviewed By: rubennorte

Differential Revision: D84787370

fbshipit-source-id: 752a9a32becde73d1a92469f9b74240918519b24