Implement bulk JSI call te retrieve all SQLite data

Summary: This differential implements one JSI call to retrieve SQLite data.

Test Plan: Use this new call instead of separate calls for messages, threads and drafts in SQLiteDataHandler. Ensure in flipper SET_CLIENT_DB_STORE action payload is correct.

Reviewers: tomek, atul, jon, kamil

Reviewed By: tomek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D5774