Fix two overzealous renames of getPanelKey()

Summary: Fixes T11999. These are actual panels (SettingsPanel) which are panelley so it's OK.

Test Plan: Clicked "Customize Menu..." on Home.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11999

Differential Revision: https://secure.phabricator.com/D17032