Merge "[flexiglass] Remove ScrollViewFields#headsupHeightConsumer" into main

     */

    var remoteInputRowBottomBoundConsumer: Consumer<Float?>? = null

    /**

     * Any time the heads up height is recalculated, it should be updated here to be used by the

     * placeholder

     */

    var headsUpHeightConsumer: Consumer<Float>? = null

    /** send the [syntheticScroll] to the [syntheticScrollConsumer], if present. */

    fun sendSyntheticScroll(syntheticScroll: Float) =

        syntheticScrollConsumer?.accept(syntheticScroll)