[sqlite] implement logic to get message store logic from SQLite

Summary:
Selects message store local data in C++ from SQLite

Depends on D12249

Test Plan: Logged the result and verified with SQLite table. Tested further in stack.

Reviewers: kamil, tomek, ginsu

Reviewed By: tomek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D12253