[native] Replace possiblyPendingThreadInfoSelector with hooks

Summary: This needs to be done in order to have correct currentUser permissions in pending threads

Test Plan: Tested if input is removed when blocking users in pending threads, and that correct notices are displayed

Reviewers: ashoat, palys-swm

Reviewed By: ashoat

Subscribers: zrebcu411, Adrian

Differential Revision: https://phabricator.ashoat.com/D492