[web] Use hook instead of connect function in HistoryEntry

Test Plan: Tested to see if history entry still showed up, and functions such as restore entry still worked

Reviewers: palys-swm, ashoat

Reviewed By: ashoat

Subscribers: ashoat, KatPo, zrebcu411, Adrian, atul

Differential Revision: https://phabricator.ashoat.com/D813