[native] Rename the QR sign-in navigator
Summary:
This navigator will also handle the restore flow so it has to be renamed.
Depends on D13905
Test Plan: Flow. Tested in combination with the rest of the stack.
Reviewers: kamil, angelika, bartek
Reviewed By: kamil
Subscribers: ashoat
Differential Revision: https://phab.comm.dev/D14051