src/vs/base/browser/ui/menu/menubar.ts/MenuBar/shouldAltKeyFocus
class MenuBar:	private get shouldAltKeyFocus(): boolean {
		if (isMacintosh) {
			return false;
		}

		if (!this.options.disableAltFocus) {
			return true;
		}

		if (this.options.visibility === 'toggle') {
			return true;
		}

		return false;
	}