[lib] Fix persisting of privacy settings
Summary: This solves ENG-5694, which is a regression introduced in D7933. The details are explained in that Linear task and diff.
Test Plan: Compiled a release build to my physical iOS device and confirmed that the issue is gone
Reviewers: kamil, tomek, michal, atul
Reviewed By: atul
Subscribers: wyilio
Differential Revision: https://phab.comm.dev/D9823