### 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_
assert result_send.get("MD5OfMessageBody") == result_receive.get("Messages")[0].get(
            "MD5OfBody"
        )
        assert "Messages" not in result_receive_duplicate.keys()
        result_send = aws_client.sqs.send_message(
            QueueUrl=queue_url,
            MessageBody=message_content,
            MessageGroupId=group_id,
            MessageDeduplicationId=dedup_id,
        )
        # ZZ
        # Fi
        # We 
        # ht
        time.sleep(2)
        aws_client.sqs.send_message(
            QueueUrl=queue_url,
            MessageBody=message_content_half_time,
            MessageGroupId=group_id,
            MessageDeduplicationId=dedup_id,
        )
        time.sleep(6 * 60)
        result_send_duplicate = 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(