### 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_
self, s3_client, s3_bucket, monkeypatch, patch_s3_skip_signature_validation_false
    ):
        s3_client.put_(Body="test-value", Bucket=s3_bucket, Key="test")
        presigned_request = s3_client.generate_presigned_url(
            ClientMethod="get_",
            Params={"Bucket": s3_bucket, "Key": "test"},
            ExpiresIn=2,
        )
        # slee
        time.sleep(3)
        # atte
        response = .get(presigned_request)
        # resp
        # "Sig
        assert response.status_code in [400, 403]
        # set 
        monkeypatch.setattr(config, "S3_SKIP_SIGNATURE_VALIDATION", True)
        response = .get(presigned_request)
        assert response.status_code == 200
        assert b"test-value" == response.content
    @pytest.mark.aws_validated
    @pytest.mark.xfail(
        condition=LEGACY_S3_PROVIDER, reason="Policy is not validated in legacy provider"
    )
    @pytest.mark.parametrize(
        "signature_version",
        ["s3", "s3v4"],
    )
    def test_post_request_malformed_policy(