* Rename PassThroughView to PassthroughView * Refactor LayoutAnchor initializer * Add FloatignPanelAdaptiveLayoutAnchor * Add samples for FloatingPanelAdaptiveLayoutAnchor * Revise updateStaticConstraint
* Rename PassThroughView to PassthroughView * Refactor LayoutAnchor initializer * Add FloatignPanelAdaptiveLayoutAnchor * Add samples for FloatingPanelAdaptiveLayoutAnchor * Revise updateStaticConstraint