Fix FirebaseService

package io.heckel.ntfy.firebase

import android.content.Intent

import android.util.Base64

import androidx.work.*

import com.google.firebase.messaging.FirebaseMessagingService

import com.google.firebase.messaging.RemoteMessage

import io.heckel.ntfy.R

import io.heckel.ntfy.app.Application

import io.heckel.ntfy.db.Attachment

import io.heckel.ntfy.db.Icon

import io.heckel.ntfy.db.Notification

import io.heckel.ntfy.util.Log

import io.heckel.ntfy.msg.ApiService

import io.heckel.ntfy.msg.MESSAGE_ENCODING_BASE64

import io.heckel.ntfy.msg.NotificationDispatcher

import io.heckel.ntfy.msg.NotificationParser

import io.heckel.ntfy.service.SubscriberService

        val priority = data["priority"]?.toIntOrNull()

        val tags = data["tags"]

        val click = data["click"]

        val iconUrl = data["icon"]

        val actions = data["actions"] // JSON array as string, sigh ...

        val encoding = data["encoding"]

        val attachmentName = data["attachment_name"] ?: "attachment.bin"

                    url = attachmentUrl,

                )

            } else null

            val icon: Icon? = iconUrl?.let { Icon(url = it) }

            val notification = Notification(

                id = id,

                subscriptionId = subscription.id,

                priority = toPriority(priority),

                tags = tags ?: "",

                click = click ?: "",

                icon = icon,

                actions = parser.parseActions(actions),

                attachment = attachment,

                notificationId = Random.nextInt(),