TableViewNavigationReset.swift

func resetUITableViewAppearance() {
    UITableView.appearance().separatorStyle = .none
    UITableView.appearance().separatorInset = .zero
    UITableView.appearance().showsHorizontalScrollIndicator = false
    UITableView.appearance().showsVerticalScrollIndicator = false
    UITableView.appearance().layoutMargins = .zero
    UITableView.appearance().contentInset = .zero
    UITableView.appearance().contentOffset = .zero
    UITableViewCell.appearance().selectionStyle = .none
    UITableViewCell.appearance().separatorInset = .zero
    UITableViewCell.appearance().layoutMargins = .zero
    UITableViewHeaderFooterView.appearance().tintColor = .clear
}

func displayNavigationBarAsColored() {
    let navBarAppearance = UINavigationBarAppearance()
    navBarAppearance.configureWithOpaqueBackground()
    //navBarAppearance.backgroundColor = UIColor.BACKGROUND2 // your color
    navBarAppearance.shadowImage = nil // line
    navBarAppearance.shadowColor = nil // line
    navBarAppearance.titleTextAttributes = [
        .foregroundColor: UIColor.PRIMARY!,
    ]
    navBarAppearance.largeTitleTextAttributes = [
        .foregroundColor: UIColor.PRIMARY!,
    ]
    UINavigationBar.appearance().standardAppearance = navBarAppearance
    UINavigationBar.appearance().compactAppearance = navBarAppearance
    UINavigationBar.appearance().scrollEdgeAppearance = navBarAppearance
}