iOS14になってからtableView内のCollectionViewが横スクロールできなくなった

前提・実現したいこと

tableView内のCollectionViewが横スクロールできなくなり困っています。
iOS14にアップデート後にスクロールできなくなりました。
tableViewのCellにCollectionViewをtableViewCellいっぱいに表示している表示しています。
CollectionViewCellをタップしてもdidselectItemAtは呼ばれません。

該当のソースコード

MainController


import UIKit
import FirebaseAuth


class MainController: UIViewController, UISearchControllerDelegate{
    
    //MARK: - Properties

    長いので割愛

    fileprivate func configureTableView() {
        
        tableView.delegate = self
        tableView.dataSource = self
        tableView.register(UITableViewCell.self, forCellReuseIdentifier: tableCell)
        tableView.rowHeight = 220
        tableView.tableFooterView = UIView()
        tableView.register(MainTableCell.self, forCellReuseIdentifier: tableCell)
        tableView.register(SectionHeaderView.self, forHeaderFooterViewReuseIdentifier: sectionReuseIdentifier)
        tableView.contentInsetAdjustmentBehavior = .never
        tableView.frame = view.frame
        view.addSubview(tableView)
        tableView.anchor(top: view.topAnchor, left: view.leftAnchor, right: view.rightAnchor, bottom: view.bottomAnchor)
    }

//MARK: - UITableView Datasource delegate

extension MainController: UITableViewDelegate, UITableViewDataSource {
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        
        guard let header = tableView.dequeueReusableHeaderFooterView(withIdentifier: sectionReuseIdentifier) as? SectionHeaderView else { return nil }
        header.frame = CGRect(x: 0, y: 0, width: view.frame.width, height: 60)
        header.prefecturesName = ProduceingArea.init(rawValue: section)?.description
       
        return header
    }
    
    func numberOfSections(in tableView: UITableView) -> Int {
        
        return isSearchMode ? searchResults.count : allProducingArea.count
    }
    func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
        
        guard let cell = cell as? MainTableCell else { return }
        
        cell.setCollectionViewDataSourceDelegate(dataSourceDelegate: self, forRow: indexPath.section)
    }
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        
        return 1
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        let cell = tableView.dequeueReusableCell(withIdentifier: tableCell, for: indexPath) as! MainTableCell
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

        tableView.deselectRow(at: indexPath, animated: true)
    }
}

//MARK: CollectionView Delegate DataSource

extension MainController: UICollectionViewDelegate, UICollectionViewDataSource {
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        
        return 10
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: collectionCell, for: indexPath) as! MainCollectionCell
        let address = Address(prefecture: ProduceingArea(rawValue: 0), city: "osaka", townOrVillage: "umeda", address: "", detailInfo: "")
        let item = Item(price: 4500, inStock: 5, itemName: "test", sellerName: "test", sellerImage: "", address: address, images: [], description: "Hello")
        cell.item = item
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        
        print("collectionCell Taped")
    }
}

//MARK: - CollectionView Flowlayout

extension MainController: UICollectionViewDelegateFlowLayout {
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        
        return CGSize(width: 180, height: 200)
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
        
        return collectionSectionInSets
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
        
        return collectionSectionInSets.left
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
        
        return collectionSectionInSets.left
    }
    
}

//MARK: - UISearchResultsUpdating

extension MainController: UISearchResultsUpdating {
    
    func updateSearchResults(for searchController: UISearchController) {
        
        guard let searchText = searchController.searchBar.text?.lowercased() else { return }
        if allProducingArea.description == searchText {
            self.allProducingArea = []
            
        }
        self.tableView.reloadData()
    }

}

MainTableViewCell

import UIKit

private let customerCell = "customerCell"

class MainTableCell: UITableViewCell {
    
    //MARK: - Properties
    
    lazy var collectionView: UICollectionView = {
        
        let layout = UICollectionViewFlowLayout()
        layout.scrollDirection = .horizontal
        layout.estimatedItemSize = .init(width: 180, height: 200)
        let collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)
        
        return collectionView
    }()
    
    //MARK: - View LifeCycle
    
    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        
        let view = UIView()
        self.addSubview(view)
        view.anchor(top: topAnchor, left: leftAnchor, right: rightAnchor, bottom: bottomAnchor, paddingTop: 8, padddingLeft: 8, paddingBottom: -8)
        
        view.addSubview(collectionView)
        collectionView.anchor(top: view.topAnchor, left: view.leftAnchor, right: view.rightAnchor, bottom: view.bottomAnchor)
        collectionView.register(MainCollectionCell.self, forCellWithReuseIdentifier: collectionCell)
        collectionView.backgroundColor = .clear
        
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func setSelected(_ selected: Bool, animated: Bool) {
        super.setSelected(selected, animated: animated)
    }
    
    //MARK: - Helpers
    
    func setCollectionViewDataSourceDelegate<D: UICollectionViewDataSource & UICollectionViewDelegate>(dataSourceDelegate: D, forRow row: Int) {
        
        collectionView.delegate = dataSourceDelegate
        collectionView.dataSource = dataSourceDelegate
        collectionView.showsHorizontalScrollIndicator = false
        collectionView.reloadData()
    }
}

##MainCollectionViewCell


import UIKit
import SDWebImage

class MainCollectionCell: UICollectionViewCell {
    
    //MARK: - Properties
    **文字数制限のため割愛
    
    
    //MARK: - View Life Cycle
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        self.backgroundColor = .white
       
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        self.layer.cornerRadius = 12
        setUpCollectionCell()
    }
    
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //MARK: - Helpers
    
    func setUpCollectionCell() {
        
        addSubview(itemImageView)
        itemImageView.anchor(top: topAnchor, left: leftAnchor, right: rightAnchor, height: 120, width: 180)
        
        addSubview(itemNameLabel)
        itemNameLabel.anchor(top: itemImageView.bottomAnchor ,left: leftAnchor, right: rightAnchor, padddingLeft: 10, paddingRight: -10, height: 30)
        addSubview(sellerImage)
        sellerImage.anchor(top: itemNameLabel.bottomAnchor, left: leftAnchor)
        sellerImage.setDimension(height: 20, widht: 20)
        addSubview(sellerNameLabel)
        sellerNameLabel.anchor(top: itemNameLabel.bottomAnchor, left: sellerImage.rightAnchor,padddingLeft: 4, height: 20, width: 70)
        addSubview(priceLabel)
        priceLabel.anchor(top: itemNameLabel.bottomAnchor, left: sellerNameLabel.rightAnchor, right: rightAnchor, padddingLeft: 4, paddingRight: -2)
        priceLabel.setDimension(height: 20, widht: 80)
        
        addSubview(itemDescriptionLabel)
        itemDescriptionLabel.anchor(top: sellerNameLabel.bottomAnchor, left: leftAnchor, right: rightAnchor, bottom: bottomAnchor, padddingLeft: 3, paddingRight: -3)
        
    }
    
}