src/vs/workbench/contrib/preferences/browser/preferencesEditor.ts/PreferencesRenderersController/_consolidateSettings
class PreferencesRenderersController:	private _consolidateSettings(editableSettingsGroups: ISettingsGroup[], defaultSettingsGroups: ISettingsGroup[]): ISetting[] {
		const defaultSettings = this._flatten(defaultSettingsGroups);
		const editableSettings = this._flatten(editableSettingsGroups).filter(secondarySetting => defaultSettings.every(primarySetting => primarySetting.key !== secondarySetting.key));
		return [...defaultSettings, ...editableSettings];
	}