Migrate notification account to IndexedDB on web
Summary: This differential moves notifications crypto account persistence from SQLite to IndexedDB on web
Test Plan: Execute test plan for D12676. If it works it means we can establish sessions between web and other devices.
Reviewers: tomek, kamil, bartek
Reviewed By: kamil
Subscribers: ashoat
Differential Revision: https://phab.comm.dev/D12692