[lib] Use hook instead of connect function in CalendarQueryHandler

Test Plan: Checked if when creating calendar queries it would be updated in real time from web to native and vise versa

Reviewers: palys-swm, ashoat, atul

Reviewed By: ashoat

Subscribers: ashoat, KatPo, zrebcu411, Adrian, atul

Differential Revision: https://phabricator.ashoat.com/D827