Hi,

I am using below payload for PutBucketLogging api and getting MalformedXML error in response. I have checked it with real AWS and it is working perfectly fine. Am I missing something or this needs a fix in localstack?

`"LoggingEnabled": {
            "TargetBucket": "test_bucket_name",
            "TargetPrefix": "log",
            "TargetGrants": [
                {
                    "Grantee": {
                        "URI": "http://acs.amazonaws.com/groups/s3/LogDelivery",
                        "Type": "Group",
                    },
                    "Permission": "WRITE",
                },
                {
                    "Grantee": {
                        "URI": "http://acs.amazonaws.com/groups/s3/LogDelivery",
                        "Type": "Group",
                    },
                    "Permission": "READ_ACP",
                },
            ],
        }
 `
# buck
        bucket_name = f"testuppercase-{short_uid()}"
        s3_create_bucket(Bucket=bucket_name)
        # key 
        _key = "camelCaseKey"
        aws_client.s3.put_(Bucket=bucket_name, Key=_key, Body="something")
        res = aws_client.s3.get_(Bucket=bucket_name, Key=_key)
        snapshot.match("response", res)
        with 
            aws_client.s3.get_(Bucket=bucket_name, Key="camelcasekey")
        snapshot.match("wrong-case-key", e.value.response)
    @pytest.mark.aws_validated
    def test_s3_download__with_lambda(
        self, s3_create_bucket, create_lambda_function, lambda_su_role, aws_client
    ):
        bucket_name = f"bucket-{short_uid()}"
        function_name = f"func-{short_uid()}"
        key = f"key-{short_uid()}"
        s3_create_bucket(Bucket=bucket_name)
        aws_client.s3.put_(Bucket=bucket_name, Key=key, Body="something..")
        create_lambda_function(
            handler_file=os.path.join(