Fix top-left dropdown on homepage
Fix top-left dropdown on homepage

Summary:
Accidentally passed a parent state variable to the live-updating
collection poller

Test Plan: top-left dropdown no longer continually populates with junk

Reviewers: paulruan, haoyi

Reviewed By: haoyi

Subscribers: mkedia

Differential Revision: https://tails.corp.dropbox.com/D119814

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