### 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_
# TO
        fifo_queue_name = f"queue-{short_uid()}.fifo"
        queue_url = sqs_create_queue(QueueName=fifo_queue_name, Attributes={"FifoQueue": "true"})
        message_content = f"test{short_uid()}"
        message_content_duplicate = f"{message_content}-duplicate"
        message_content_half_time = f"{message_content}-half_time"
        dedup_id = f"fifo_dedup-{short_uid()}"
        group_id = f"fifo_group-{short_uid()}"
        result_send = aws_client.sqs.send_message(
            QueueUrl=queue_url,
            MessageBody=message_content,
            MessageGroupId=group_id,
            MessageDeduplicationId=dedup_id,
        )
        time.sleep(3)
        aws_client.sqs.send_message(
            QueueUrl=queue_url,
            MessageBody=message_content_duplicate,
            MessageGroupId=group_id,
            MessageDeduplicationId=dedup_id,
        )
        result_receive = aws_client.sqs.receive_message(QueueUrl=queue_url)
        aws_client.sqs.delete_message(
            QueueUrl=queue_url, ReceiptHandle=result_receive["Messages"][0]["ReceiptHandle"]
        )
        result_receive_duplicate = aws_client.sqs.receive_message(QueueUrl=queue_url)
        assert result_send.get("MessageId") == result_receive.get("Messages")[0].get("MessageId")