message: disable reemitting on the client for events mapped from the indexer
diff: @@ -383,7 +383,7 @@ export default class EventIndex extends EventEmitter {
  // We have a checkpoint, let us fetch some messages, again, very
  // conservatively to not bother our homeserver too much.
  - const eventMapper = client.getEventMapper();
  + const eventMapper = client.getEventMapper({preventReEmit: true});
  // TODO we need to ensure to use member lazy loading with this
  // request so we get the correct profiles.
  let res;
  