src/vs/workbench/services/preferences/browser/preferencesService.ts/PreferencesService/open
class PreferencesService:	private open(settingsResource: URI, options: IOpenSettingsOptions): Promise<IEditorPane | undefined> {
		options = {
			...options,
			jsonEditor: options.jsonEditor ?? this.shouldOpenJsonByDefault()
		};

		return options.jsonEditor ?
			this.openSettingsJson(settingsResource, options) :
			this.openSettings2(options);
	}