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Summary: Previously, this text was transparent, moved it to a new span and set visibility on it.

Test Plan: review search in FF, Chrome. Text no longer displays.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T7710

Differential Revision: https://secure.phabricator.com/D12219