message: storage: fix a out of range bug related to zran
  Fix a out of range bug related to zran.
  Ref:
diff: @@ -1189,10 +1189,12 @@ impl BlobMetaChunkArray {
  // Special handling prefetch for ZRan blobs because they may have holes.
  if prefetch {
  + if right < chunks.len() {
  let entry = &chunks[right];
  if entry.compressed_offset() > addr {
  return Ok(right);
  }
  + }
  if left < chunks.len() {
  let entry = &chunks[left];
  if entry.compressed_offset() > addr {
  @@ -1383,7 +1385,6 @@ impl BlobMetaChunkArray {
  }
  // Special handling prefetch for ZRan blobs
  if prefetch && index >= chunk_info_array.len() {
  - error!("get chunks: last {}", index);
  return Ok(vec);
  }
  }
  