- Built a design where there's a singleton `EditorSettingsManager` that handles the "current" settings state in the world. When it detects that settings have changed via an update method being called it dispatches a `Changed` event.
- Exposed editor settings on the document tracker. When the editor settings change the document tracker dispatches to any listeners that its context has changed.
- Added tests to validate all the various settings management.
#1718
N. Taylor Mullen