[Feature] Add DiffUtil support about stickyheaders HOT 2 OPEN

class ListAdapter(
	private val items: List<ListObject>
) : RecyclerView.Adapter<RecyclerView.ViewHolder>(), StickyHeaders {

	private var stickyHeadersObserver: RecyclerView.AdapterDataObserver? = null

	override fun registerAdapterDataObserver(observer: RecyclerView.AdapterDataObserver) {
		super.registerAdapterDataObserver(observer)
		if (observer::class.java.enclosingClass == StickyHeadersLinearLayoutManager::class.java) {
			stickyHeadersObserver = observer
		}
	}

	override fun unregisterAdapterDataObserver(observer: RecyclerView.AdapterDataObserver) {
		super.unregisterAdapterDataObserver(observer)
		if (observer == stickyHeadersObserver) {
			stickyHeadersObserver = null
		}
	}

	fun updateItems(newItems: List<ListObject>) {
		// Create a DiffUtil.DiffResult and dispatch it
		getListDiff(items, newItems).dispatchUpdatesTo(this) 
		this.items= newItems
		stickyHeadersObserver?.onChanged()
	}
}