### 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(
            QueueName=f"queue-{short_uid()}.fifo",
            Attributes={
                "FifoQueue": "true",
                "ContentBasedDeduplication": "true",
                "DelaySeconds": "2",
            },
        )
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody="message-1", MessageGroupId="1")
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody="message-2", MessageGroupId="2")
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody="message-3", MessageGroupId="3")
        response = aws_client.sqs.receive_message(QueueUrl=queue_url, WaitTimeSeconds=1)
        assert response.get("Messages", []) == []
        messages = []
        def _collect():
            _response = aws_client.sqs.receive_message(QueueUrl=queue_url)
            messages.extend(_response.get("Messages", []))
            assert len(messages) == 3
        retry(_collect, sleep_before=2)  
        assert messages[0]["Body"] == "message-1"
        assert messages[1]["Body"] == "message-2"
        assert messages[2]["Body"] == "message-3"
    @pytest.mark.aws_validated
    def test_fifo_message_attributes(self, sqs_create_queue, snapshot, aws_client):