TSetCustomFloatingLayerSelectionParams typedef
TSetCustomFloatingLayerSelectionParams =
void Function(List<TSelectionEntity> customParams)
当更多筛选页面中，类型为 CustomLayer 被回调时，该函数用于回传参数进 BrnSelectionView 中，
customParams 用户自定义参数。
Implementation
typedef TSetCustomFloatingLayerSelectionParams = void Function(List<TSelectionEntity> customParams);