message: fix: await refreshFileEvent when adding new files
diff: @@ -1063,7 +1063,7 @@ export default class MemoryFileSystem {
  }
  if (isNew) {
  - this.server.refreshFileEvent.push({type: "CREATED", path});
  + await this.server.refreshFileEvent.push({type: "CREATED", path});
  }
  return true;
  