src/vs/workbench/contrib/preferences/browser/settingsTree.ts/SettingBoolRenderer/renderValue
class SettingBoolRenderer:	protected renderValue(dataElement: SettingsTreeSettingElement, template: ISettingBoolItemTemplate, onChange: (value: boolean) => void): void {
		template.onChange = undefined;
		template.checkbox.checked = dataElement.value;
		template.onChange = onChange;
	}