### 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_
)
        item = '{"foo": "bar"}'
        group = "group-1"
        kwargs = {}
        if not content_based_deduplication:
            kwargs["MessageDeduplicationId"] = "dedup1"
        aws_client.sqs.send_message(
            QueueUrl=queue_url, MessageBody=item, MessageGroupId=group, **kwargs
        )
        # fi
        response = aws_client.sqs.receive_message(QueueUrl=queue_url, WaitTimeSeconds=3)
        snapshot.match("get-messages", response)
        assert len(response["Messages"]) == 1
        assert response["Messages"][0]["Body"] == item
        # de
        # se
        aws_client.sqs.delete_message(
            QueueUrl=queue_url, ReceiptHandle=response["Messages"][0]["ReceiptHandle"]
        )
        # re
        aws_client.sqs.send_message(
            QueueUrl=queue_url, MessageBody=item, MessageGroupId=group, **kwargs
        )
        # se
        response = aws_client.sqs.receive_message(QueueUrl=queue_url, WaitTimeSeconds=1)
        assert response.get("Messages", []) == []
        snapshot.match("get-messages-duplicate", response)
    @pytest.mark.aws_validated
    @pytest.mark.parametrize("content_based_deduplication", [True, False])
    def test_fifo_deduplication_not_on_message_group_id(