message: Fix crash when showing/hiding all windows
  issue
diff: @@ -60,7 +60,7 @@ export function doLater(func: Function, msec=0, hiPrio=false): Disposable {
  // Non-zero timeouts have to get their own timer.
  let execFunction = func;
  - window.setTimeout(() => {
  + setTimeout(() => {
  if (execFunction != null) {
  execFunction();
  }
  