Why doesn't Visualizer::ClearGeometries reset the bounding box, or provide an option to do so?

[AndersonDaniel]

The Visualizer class exposes RemoveGeometry with a boolean parameter to reset the bounding box, whereas ClearGeometries neither provides such a parameter nor resets the bounding box (as far as I can tell), which I found surprising. Is there a reason for that?

ps Thanks for all the awesome work on Open3D!