message: Update TimelineUI when there is new Timeline_event (lib)
diff: @@ -485,6 +485,10 @@ void UIElements::ApplyChanges(
  if (ch.ModelType() == kModelSettings) {
  display_settings = true;
  }
  +
  + if (ch.ModelType() == kModelTimelineEvent && ch.ChangeType() == kChangeTypeInsert) {
  + display_timeline = true;
  + }
  }
  }
  