feat(ui): render the ORBIT indicator from the location tray

LocationControls offers the indicator with showOrbit(active) in its
presented tray instead of building it on the body, and the scene chrome
teleports it there. Orbit toggles, including the voice switch, light it
through the controls.

docs/APPLICATION.md

@@ -207,8 +207,9 @@ paints before any script runs. `createApplication()` renders the views before
 anything reads the page; `omitViews` names views the application leaves out,
 such as `provider-settings`, and their hosts are removed. Leaving out
 `layer-panels` also leaves out the scene sharing dialogs it draws, and leaving
-out `scene-chrome` the before/after imagery dividers: the imagery still splits,
-with no line or handle to move it. An unknown
+out `scene-chrome` the before/after imagery dividers (the imagery still splits,
+with no line or handle to move it), the status chips, the toast and the ORBIT
+indicator. An unknown
 view name is an error. A host that does not initialize Core's locale passes
 `localePicker: false` to `createApplicationControls` instead of editing the
 markup. Node tests that import application modules register the component