Swift textfield rightview button padding

Question

I am building a password field with a button that allows the user to toggle the password visibility. The code makes use of a text field and a toggle button that is in the text field's right view. The padding of the button was defined using:

button.imageEdgeInsets = UIEdgeInsets(top: 0, left: -16, bottom: 0, right: 0)

But as of Xcode 15, imageEdgeInsets was deprecated and ignored. The warning reads:

'imageEdgeInsets' was deprecated in iOS 15.0: This property is ignored when using UIButtonConfiguration

Does anyone know what to use instead to adjust the padding?

Here is my code:

import UIKit

class ViewController: UIViewController {
    
    let button = UIButton(type: .custom)
    var passwordToggleFlag: Bool = true
    
    @IBOutlet weak var passwordTextfield: UITextField!
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
    
        button.setImage(UIImage(systemName: "eye.slash"), for: .normal)
        button.tintColor = .link
        button.backgroundColor = UIColor.white
        button.imageEdgeInsets = UIEdgeInsets(top: 0, left: -16, bottom: 0, right: 0)
       
        button.addTarget(self, action: #selector(passwordToggleButtonPressed), for: .touchUpInside)
        passwordTextfield.rightView = button
        passwordTextfield.rightViewMode = .always
        
        passwordTextfield.autocorrectionType = .no
        passwordTextfield.layer.borderWidth = 2
        passwordTextfield.layer.cornerRadius = 5
        passwordTextfield.layer.borderColor = UIColor.lightGray.cgColor
        
        passwordTextfield.isSecureTextEntry = true
        passwordToggleFlag = false
    }
    
    @objc func passwordToggleButtonPressed(_ sender:UIButton!)
    {
        print("Button tapped")
        if(passwordToggleFlag == false){
            print("false")
            passwordToggleFlag = true
            button.setImage(UIImage(systemName: "eye"), for: .normal)
            button.tintColor = .link
            passwordTextfield.isSecureTextEntry = false
        }else{
            print("true")
            passwordToggleFlag = false
            button.setImage(UIImage(systemName: "eye.slash"), for: .normal)
            button.tintColor = .link
            passwordTextfield.isSecureTextEntry = true
        }
    }
}

I have tried some different suggestions that I found online but nothing I found works. This is a very simple feature and there must be a straight forward solution.