[lib] assert function and setting client db with sqlite data

Summary:
Populates the client db with message store local sqlite data and includes an assert function to verify the result of message store local operations

Depends on D12370

Test Plan:
Tested on both native and web by

1. launching app on prior migration version
2. Failing to send several messages by disconnecting the keyserver
3. Restarting app to confirm assertion between redux persist and sqlite data failure
4. Running migration
5. Verifying assertion now passes

Reviewers: tomek, kamil, ginsu

Reviewed By: tomek

Subscribers: ginsu, ashoat

Differential Revision: https://phab.comm.dev/D12384