[web] Implement getInboundP2PMessagesByID query on worker

Summary:
https://linear.app/comm/issue/ENG-9713/mitigate-risk-of-olm-already-decrypted-or-keys-skipped

Depends on D13897

Test Plan: Test plan in the last diff in stack.

Reviewers: tomek, kamil

Reviewed By: kamil

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D13898