Resolve "for chat mode, auto-play next audio message"

src/components/messages/MessageOutgoingAudio.vue

@@ -1,20 +1,18 @@
 <template>
   <message-outgoing v-bind="{ ...$props, ...$attrs }" v-on="$listeners">
     <div class="audio-bubble">
-      <audio-player :src="src">{{ $t('fallbacks.audio_file')}}</audio-player>
+      <audio-player :event="event">{{ $t('fallbacks.audio_file')}}</audio-player>
     </div>
   </message-outgoing>
 </template>
 
 <script>
-import attachmentMixin from "./attachmentMixin";
 import AudioPlayer from './AudioPlayer.vue';
 import MessageOutgoing from "./MessageOutgoing.vue";
 
 export default {
   extends: MessageOutgoing,
   components: { MessageOutgoing, AudioPlayer },
-  mixins: [attachmentMixin],
 };
 </script>