Merge "[flexiglass] Fix ScrollState#isScrolledToTop on split, and dual shade" into main

    val shadeScrollState by remember {

        derivedStateOf {

            ShadeScrollState(

                // we are not scrolled to the top unless the scrim is at its maximum offset.

                isScrolledToTop = scrimOffset.value >= 0f,

                // we are not scrolled to the top unless the scroll position is zero,

                // and the scrim is at its maximum offset

                isScrolledToTop = scrimOffset.value >= 0f && scrollState.value == 0,

                scrollPosition = scrollState.value,

                maxScrollPosition = scrollState.maxValue,

            )