Attempt at using a state holder instead of a snapshot flow for https://gist.github.com/heatcreep/08ec25591b53b517ffb664856e4b8f10

CollapsableColumn.kt

@Composable
fun MonolithCollapsableColumn(listState: LazyListState, content: @Composable () -> Unit) {
    val showingState = rememberShowingState(listState = listState)

    Column {
        AnimatedVisibility(visible = showingState.show) {
            Column(
                modifier = Modifier
                    .fillMaxWidth(),
                verticalArrangement = Arrangement.spacedBy(16.dp)
            ) {
                content()
            }
        }
    }
}

@Composable
fun rememberShowingState(listState: LazyListState): ShowingState =
    remember {
        ShowingState(listState)
    }

class ShowingState(
    private val listState: LazyListState
) {
    private var previousIndex = listState.firstVisibleItemIndex

    private var previousShow = true

    val show by derivedStateOf {
        if (previousIndex != listState.firstVisibleItemIndex) {
            previousShow = (previousIndex > listState.firstVisibleItemIndex)
            previousIndex = listState.firstVisibleItemIndex
        }
        previousShow
    }
}