### 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()}"
        attributes = {
            "VisibilityTimeout": "69",
        }
        queue_url = sqs_create_queue(QueueName=queue_name, Attributes=attributes)
        assert sqs_create_queue(QueueName=queue_name, Attributes=attributes) == queue_url
    @pytest.mark.aws_validated
    def test_receive_message_wait_time_seconds_and_max_number_of_messages_does_not_block(
        self, sqs_create_queue, aws_client
    ):
        """
        this test makes sure that `WaitTimeSeconds` does not block when messages are in the queue, even when
        `MaxNumberOfMessages` is provided.
        """
        queue_url = sqs_create_queue()
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody="foobar1")
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody="foobar2")
        
        assert poll_condition(lambda: get_qsize(aws_client.sqs, queue_url) == 2, timeout=10)
        then = time.time()
        response = aws_client.sqs.receive_message(
            QueueUrl=queue_url, MaxNumberOfMessages=3, WaitTimeSeconds=5
        )
        took = time.time() - then
        assert took < 2  
        assert (
            len(response.get("Messages", [])) >= 1
        ), f"unexpected number of messages in {response}"
    @pytest.mark.aws_validated
    def test_wait_time_seconds_waits_correctly(self, sqs_queue, aws_client):