* feat_: hash based query for outgoing messages.
* chore_: more logs
* chore_: fix comments
* chore_: do not lock when send queries
* chore_: use constant for magic number
* chore_: remove message ids from query queue after ack
* chore_: fix ack clean process
* chore_: fix message resend test
* chore_: add test for waku confirm message sent.
* chore_: fix tests.
* chore_: fix more
* chore_: set store peer id when mailserver updates
* fix_: tests
* chore_: increase max hash query length
* chore_: remove debug log of ack message
* chore_: remove automatic peer selection
* chore_: mark raw message to sent after ack
* chore_: fix test
* chore_: fix test
Previously, Messenger was `Start`ed multiple times, which resulted in
the shutdown process not being invoked on previously initialized
Messenger's sub-instances. This led to the failure of MVDS instance
shutdown causing massive error logs due to the attempts to read from a
closed database.