### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

When multi uploading a file for Glacier Instant Retrieval, the operation fails at Complete stage with a message claiming storage class not supported.

### Expected Behavior

It works with real S3.

### How are you starting LocalStack?

With the `localstack` script

### Steps To Reproduce

#### How are you starting localstack (e.g., `bin/localstack` command, arguments, or `docker-compose.yml`)

localstack start

#### Client commands (e.g., AWS SDK code snippet, or sequence of "awslocal" commands)

 ```golang
	b, p := parse1(path)
	cmuI := &awsS3.CreateMultipartUploadInput{
		Bucket:       b,
		Key:          p,
		StorageClass: mtypes.StorageClassGlacierIr,
	}
_, err := client.CreateMultipartUpload(context.Background(), cmuI)

```
and process the upload of the part and then complete

### Environment

```markdown
- OS: Ubuntu 20.04
- LocalStack: pro latest
```


### Anything else?

_No response_
_key = "sample.bin"
        chunk_size = 1024
        with io.BytesIO() as data:
            data.write(os.urandom(chunk_size * 2))
            data.seek(0)
            s3_client.upload_fileobj(data, s3_bucket, _key)
        range_header = f"bytes=0-{(chunk_size - 1)}"
        resp = s3_client.get_(Bucket=s3_bucket, Key=_key, Range=range_header)
        assert resp.get("AcceptRanges") == "bytes"
        resp_headers = resp["ResponseMetadata"]["HTTPHeaders"]
        assert "x-amz-request-id" in resp_headers
        assert "x-amz-id-2" in resp_headers
        # `con
        if is_aws_cloud():  # fixm
            assert "content-language" not in resp_headers
        # We u
        # by t
        # omit
        assert "cache-control" not in resp_headers
        # Do n
        assert "content-encoding" not in resp_headers
    @pytest.mark.only_localstack
    def test_put__chunked_newlines(self, s3_client, s3_bucket):