[lib] [refactor] useToggleUnreadStatus hook, fix up deps array after move

Summary: follow up from comment in https://phabricator.ashoat.com/D3418 and Tomek's comment about dep values being incorrect.

Test Plan: test unread functionality in both web and native UI's. Unread status should work in both native and web.

Reviewers: palys-swm, atul, def-au1t

Reviewed By: palys-swm

Subscribers: ashoat, Adrian, karol-bisztyga

Differential Revision: https://phabricator.ashoat.com/D3431