message: fix: sound imports
diff: -import incomingMessageSoundFile = require('../sound/incomingMessage.mp3');
  -import incomingCallSoundFile = require('../sound/Rotary-Phone6.mp3');
  -import noticeSoundFile = require('../sound/Ping1.mp3');
  +import incomingMessageSoundFile from '../sound/incomingMessage.mp3';
  +import incomingCallSoundFile from '../sound/Rotary-Phone6.mp3';
  +import noticeSoundFile from '../sound/Ping1.mp3';
  export let NOTIFICATION_DEFAULT = 'default';
  export let NOTIFICATION_GRANTED = 'granted';
  