[native] [fix] [ENG-1099] fix hot reload compose component

Summary: https://linear.app/comm/issue/ENG-1099/refactor-composed-message-component-to-fix-hot-reload

Test Plan: when editing compose component, it shouldn't move the developer back to inbox

Reviewers: atul, palys-swm, def-au1t, yayabosh, ashoat

Reviewed By: ashoat

Subscribers: ashoat, Adrian

Differential Revision: https://phabricator.ashoat.com/D3963