[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