SceneBuilder.layout before upload, or update a registered
Scene with StorageItem.update(scene_layout=...).
Scene3DViewerTile Objects
SceneImageTile Objects
SceneTimeSeriesTile Objects
SceneTileLayoutDirection Objects
ROW side by side, COLUMN stacked.
SceneTileLayout Objects
SceneLayout Objects
tiles must be used in layout or timeline, and timeline can only
list time series tiles.
