Change AuthenticationFailedException to expose alert text from server

package com.fsck.k9.mail;

public class AuthenticationFailedException extends MessagingException {

    public static final long serialVersionUID = -1;

    public AuthenticationFailedException(String message) {

        super(message);

    }

    public AuthenticationFailedException(String message, Throwable throwable) {

        super(message, throwable);

    }

}

package com.fsck.k9.mail

class AuthenticationFailedException @JvmOverloads constructor(

        message: String,

        throwable: Throwable? = null,

        val messageFromServer: String? = null

) : MessagingException(message, throwable) {

    val isMessageFromServerAvailable = messageFromServer != null

}

    private AuthenticationFailedException handlePermanentXoauth2Failure(NegativeImapResponseException e) {

        Timber.v(e, "Permanent failure during XOAUTH2");

        return new AuthenticationFailedException(e.getMessage(), e);

        return new AuthenticationFailedException(e.getMessage(), e, e.getAlertText());

    }

    private List<ImapResponse> handleTemporaryXoauth2Failure(NegativeImapResponseException e) throws IOException, MessagingException {