### 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_
"""test making a request with a different external hostname/port being returned"""
        monkeypatch.setattr(config, "SQS_ENDPOINT_STRATEGY", "off")
        queue_name = f"queue-{short_uid()}"
        sqs_create_queue(QueueName=queue_name)
        edge_url = config.get_edge_url()
        headers = aws_stack.mock_aws_request_headers("sqs")
        payload = f"Action=GetQueueUrl&QueueName={queue_name}"
        
        url = f"{edge_url}"
        result = requests.post(url, data=payload, headers=headers)
        assert result
        content = to_str(result.content)
        kwargs = {"flags": re.MULTILINE | re.DOTALL}
        assert re.match(rf".*<QueueUrl>\s*{edge_url}/[^<]+</QueueUrl>.*", content, **kwargs)
        
        port = 12345
        headers["Host"] = f"local-test-host:{port}"
        result = requests.post(url, data=payload, headers=headers)
        assert result
        content = to_str(result.content)
        
        assert re.match(rf".*<QueueUrl>\s*http://[^:]+:{port}[^<]+</QueueUrl>.*", content, **kwargs)
    @pytest.mark.only_localstack
    def test_external_host_via_header_complete_message_lifecycle(self, monkeypatch):