### 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()
        response = sqs_http_client.get(
            queue_url,
            headers={"Accept": "application/json"},
            params={
                "Action": "GetQueueAttributes",
                "AttributeName.1": "All",
            },
        )
        assert response.ok
        doc = response.json()
        assert "GetQueueAttributesResponse" in doc
        attributes = doc["GetQueueAttributesResponse"]["GetQueueAttributesResult"]["Attributes"]
        for attribute in attributes:
            if attribute["Name"] == "QueueArn":
                assert "arn:aws:sqs" in attribute["Value"]
                assert queue_url.split("/")[-1] in attribute["Value"]
                return
        pytest.fail(f"no QueueArn attribute in attributes {attributes}")
    @pytest.mark.aws_validated
    def test_get_without_query_json_format_returns_returns_xml(
        self, sqs_create_queue, sqs_http_client
    ):
        queue_url = sqs_create_queue()
        response = sqs_http_client.get(queue_url, headers={"Accept": "application/json"})
        assert "<UnknownOperationException" in response.text
        assert response.status_code == 404
    # TODO: write tests for making POST requests (not clear how signing would work without custom code)
    #  http