Fix wrong mapping

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/voicemessages/timeline/VoiceMessagePresenter.kt

@@ -59,7 +59,7 @@ class VoiceMessagePresenter @AssistedInject constructor(
         eventId = content.eventId,
         mediaSource = content.mediaSource,
         mimeType = content.mimeType,
-        filename = content.caption,
+        filename = content.filename,
     )
 
     private val play = mutableStateOf<AsyncData<Unit>>(AsyncData.Uninitialized)