This commit ensures that additional keywords for admin
sidebar links (which are also stored in the admin sidebar state
manager) are translated with I18n, which was discussed
in https://meta.discourse.org/t/introducing-experimental-admin-sidebar-navigation/289281/58?u=martin
This also changes the admin sidebar state manager keywords to
not be a TrackedObject -- this is not necessary as keywords are
only set once, and it was causing rendering issues because
the keywords were being set at the same time they were read.
Finally this adds a "theme" keyword to the "Components" link
because we often refer to components as Theme Components
Co-authored-by: Jarek Radosz <jradosz@gmail.com>
99d22c85ae