automaticallyAdjustsContentOffset - not working properly when user is scrolling, or there is a pending scrolling animation

TestController.swift

//
//  TestController.swift
//  TestScroll
//
//  Created by Patryk Średziński on 18/04/2023.
//

import AsyncDisplayKit

final class TestNode: ASDisplayNode {
    lazy var tableNode: ASTableNode = {
        let tableNode = ASTableNode(style: .plain)
        tableNode.automaticallyAdjustsContentOffset = true
        tableNode.style.flexGrow = 1
        return tableNode
    }()
    
    lazy var buttonNode: ASButtonNode = {
        let buttonNode = ASButtonNode()
        buttonNode.setTitle("Add Elements On Top", with: .boldSystemFont(ofSize: 20), with: .white, for: .normal)
        buttonNode.setTitle("Add Elements On Top", with: .boldSystemFont(ofSize: 22), with: .lightGray, for: .highlighted)
        buttonNode.style.height = ASDimensionMakeWithPoints(60)
        return buttonNode
    }()

    override init() {
        super.init()
        automaticallyManagesSubnodes = true
    }
    
    override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
        let stackSpec = ASStackLayoutSpec.vertical()
        stackSpec.children = [
            tableNode,
            buttonNode
        ]
        return stackSpec
    }
}

final class CellNode: ASCellNode {
    let textNode = ASTextNode()
    
    override init() {
        super.init()
        automaticallyManagesSubnodes = true
        backgroundColor = .brown
        style.height = ASDimensionMakeWithPoints(50)
    }
    
    override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
        return ASWrapperLayoutSpec(layoutElement: textNode)
    }
}

final class TestController: ASDKViewController<TestNode>, ASTableDelegate, ASTableDataSource {
    
    var elements = [Int]()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        node.tableNode.dataSource = self
        node.tableNode.delegate = self
        node.buttonNode.addTarget(self, action: #selector(addElemenentsOnTop), forControlEvents: .touchUpInside)
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        addElemenentsOnTop()
    }
    
    @objc func addElemenentsOnTop() {
        let count = 50
        let currentFirst = elements.first ?? 0
        var appendingElements = [Int]()
        var appendingIndexes = [IndexPath]()
        for i in 0..<count {
            let startIndex = currentFirst - count
            appendingElements.append(startIndex + i)
            appendingIndexes.append(IndexPath(row: i, section: 0))
        }
        elements.insert(contentsOf: appendingElements, at: 0)
        node.tableNode.performBatch(animated: false, updates: {
            node.tableNode.insertRows(at: appendingIndexes, with: .none)
        },  completion: { _ in
            print("DONE")
        })
    }
    
    func numberOfSections(in tableNode: ASTableNode) -> Int {
        return 1
    }
    
    func tableNode(_ tableNode: ASTableNode, numberOfRowsInSection section: Int) -> Int {
        return elements.count
    }
    
    func tableNode(_ tableNode: ASTableNode, nodeBlockForRowAt indexPath: IndexPath) -> ASCellNodeBlock {
        let data = elements[indexPath.row]
        return {
            let cell = CellNode()
            cell.textNode.attributedText = NSAttributedString(string: "Cell #\(data)", attributes: [
                .font: UIFont.boldSystemFont(ofSize: 17)
            ])
            return cell
        }
    }
}