SceneRecall.empty constructor
      
      SceneRecall.empty()
     
    
Creates an empty SceneRecall object.
Implementation
SceneRecall.empty()
    : action = '',
      status = '',
      _originalDimming = LightDimming.empty(),
      dimming = LightDimming.empty(),
      _originalAction = '',
      _originalStatus = '',
      _originalDuration = 0,
      _duration = 0;