[native] [0/34] ReactNav6: Type updated navigate function with default-unmerged params
Summary:
Context on change here.
Change required specifying generics on all navigate calls unfortunately.
Test Plan: Flow + ran the app on my phone and played around with it
Reviewers: atul, tomek, bartek
Reviewed By: atul
Subscribers: abosh
Differential Revision: https://phab.comm.dev/D5393