title: Material design Outline textfield with white background
body: <p>Im trying to use material components library and make a textfield with outline and background color, but this is what I get</p>
  
  <p><a href="https://i.stack.imgur.com/fPbFd.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fPbFd.png" alt="enter image description here"></a></p>
  
  <p>The white is outside the bounds. 
  Can you help me?</p>
  
  <p>this is my code</p>
  
  <pre><code>    let imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 20, height: 20))
      imageView.image = UIImage(named: "user")
      txtfieldEmail.placeholderLabel.textColor = UIColor.gray
      txtfieldEmail.leftView = imageView
      txtfieldEmail.leftViewMode = .always
  
      //txtfieldEmail.backgroundColor = UIColor.white
      //txtfieldEmail.translatesAutoresizingMaskIntoConstraints = false
      //txtfieldEmail.clipsToBounds = true
  
      txtfieldEmail.layer.backgroundColor = UIColor.white.cgColor
  
      usernameTextFieldController = MDCTextInputControllerOutlined(textInput: txtfieldEmail)
  </code></pre>