message: storage: fix blob batch read error
  When use batch_size option for get_chunks_uncompressed(), the
  last chunks may still not reach the batch_end, then will return error.
  Fixes: ("storage: amplify blob read requests to enable batch operation")
diff: @@ -489,6 +489,9 @@ impl BlobMetaInfo {
  }
  }
  + if last_end > end {
  + return Ok(vec);
  + }
  Err(einval!(format!(
  "entry not found index {} infos.len {}",
  index,
  