Firebase Microsoft登录无法在Swift iOS中获取访问令牌

<key>CFBundleURLTypes</key>
<array>
  <dict>
    <key>CFBundleURLSchemes</key>
    <array>
      <string>msauth.YOUR_APP_ID</string>
    </array>
  </dict>
</array>
<key>LSApplicationQueriesSchemes</key>
<array>
  <string>msauth</string>
</array>

func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
  return Auth.auth().canHandle(url, sourceApplication: options[UIApplicationOpenURLOptionsKey.sourceApplication] as? String, annotation: options[UIApplicationOpenURLOptionsKey.annotation])
}

import FirebaseAuth
import Firebase

class LoginViewController: UIViewController {

  override func viewDidLoad() {
    super.viewDidLoad()
    // 配置Firebase
    FirebaseApp.configure()
  }

  @IBAction func signInWithMicrosoft(_ sender: Any) {
    let provider = OAuthProvider(providerID: "microsoft.com")
    provider.scopes = ["user.read", "calendars.read"]
    
    Auth.auth().signIn(with: provider) { (authResult, error) in
      if let error = error {
        print("登录失败：\(error.localizedDescription)")
        return
      }
      // 登录成功，可获取访问令牌
      let token = authResult?.credential?.accessToken
      print("访问令牌：\(token ?? "")")
    }
  }
}