### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

Sending a message with body:
`"&quot;&quot;"`
is received on the consumer side with body:
`""""`

### Expected Behavior

Sending a message with body:
"&quot;&quot;"
is received on the consumer side with body:
"&quot;&quot;"

### How are you starting LocalStack?

Custom (please describe below)

### Steps To Reproduce

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

Running localstack in docker desktop on Mac using helm chart

https://localstack.github.io/helm-charts
version 0.3.7
Image version: 0.14.3

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



### Environment

```markdown
- OS: macOS Monterey
- LocalStack: 0.14.3
```


### Anything else?

_No response_
queue_url = sqs_create_queue(
            Attributes={
                "ReceiveMessageWaitTimeSeconds": "10",
            }
        )
        def _send_message():
            aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody="foobared")
        Timer(1, _send_message).start()  
        response = aws_client.sqs.receive_message(QueueUrl=queue_url)
        assert (
            len(response.get("Messages", [])) == 1
        ), f"unexpected number of messages in response {response}"
    @pytest.mark.aws_validated
    def test_create_queue_with_default_attributes_is_idempotent(self, sqs_create_queue):
        queue_name = f"queue-{short_uid()}"
        attributes = {
            "VisibilityTimeout": "69",
            "ReceiveMessageWaitTimeSeconds": "1",
        }
        queue_url = sqs_create_queue(QueueName=queue_name, Attributes=attributes)
        assert sqs_create_queue(QueueName=queue_name) == queue_url
    @pytest.mark.aws_validated
    def test_create_fifo_queue_with_same_attributes_is_idempotent(self, sqs_create_queue):