### 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_name = f"queue-{short_uid()}"
        queue_url = sqs_create_queue(QueueName=queue_name)
        for i in range(3):
            message_content = f"test-0-{i}"
            aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody=message_content)
        approx_nr_of_messages = aws_client.sqs.get_queue_attributes(
            QueueUrl=queue_url, AttributeNames=["ApproximateNumberOfMessages"]
        )
        assert int(approx_nr_of_messages["Attributes"]["ApproximateNumberOfMessages"]) > 1
        aws_client.sqs.purge_queue(QueueUrl=queue_url)
        receive_result = aws_client.sqs.receive_message(QueueUrl=queue_url)
        assert "Messages" not in receive_result.keys()
        # te
        for i in range(3):
            message_content = f"test-1-{i}"
            aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody=message_content)
        messages = []
        def _collect():
            result = aws_client.sqs.receive_message(QueueUrl=queue_url, WaitTimeSeconds=1)
            messages.extend(result.get("Messages", []))
            return len(messages) == 3
        assert poll_condition(_collect, timeout=10)
        assert {m["Body"] for m in messages} == {"test-1-0", "test-1-1", "test-1-2"}
    @pytest.mark.aws_validated
    def test_purge_queue_deletes_inflight_messages(self, sqs_create_queue, aws_client):