[native] [reactor] [ENG-530] fix hot reload export issue in chat message

Summary: Fix hot reload issues coming from react components exported with additional variables https://twitter.com/benschac/status/1521867664267821063?s=20&t=hKhwNWhJqqDsPU5nB2Qexw

Test Plan: no functional change. when editing chat-list.react.js hot-reload will not push the engineer back to the inbox.

Reviewers: atul, def-au1t, palys-swm, dereknelson

Reviewed By: atul

Subscribers: ashoat, Adrian, yayabosh

Differential Revision: https://phabricator.ashoat.com/D3972