message: dont log changes unless playing
diff: @@ -95,12 +95,14 @@ class PlaybackState {
  }
  @action.bound setCommandState(commandId, state, message) {
  + if (this.isPlaying) {
  if (state === PlaybackStates.Failed) {
  this.hasFailed = true;
  this.failures++;
  }
  this.commandState.set(commandId, { state, message });
  }
  + }
  @action.bound clearCommandStates() {
  this.commandState.clear();
  