Merge "Align Element.isOpaque() with Element.computeValue()" into main

    val toState = element.sceneStates[toScene]

    if (fromState == null && toState == null) {

        error("This should not happen, element $element is neither in $fromScene or $toScene")

        // TODO(b/311600838): Throw an exception instead once layers of disposed elements are not

        // run anymore.

        return true

    }

    val isSharedElement = fromState != null && toState != null