get Open Inventory Paginated
fun <T : KtInventoryPaginated> getOpenInventoryPaginated(clazz: KClass<T>, player: HumanEntity): KtInventoryPaginated.Entry<T>?
inline fun <T : KtInventoryPaginated> getOpenInventoryPaginated(player: HumanEntity): KtInventoryPaginated.Entry<T>?