message: readBlob should return arrayBufferLike
diff: @@ -386,7 +386,7 @@ export class OdspDocumentStorageService implements IDocumentStorageService {
  if (blob instanceof ArrayBuffer) {
  return blob;
  }
  - return IsoBuffer.from(blob.content, blob.encoding ?? "utf-8");
  + return IsoBuffer.from(blob.content, blob.encoding ?? "utf-8").buffer;
  }
  public async read(blobId: string): Promise<string> {
  