### 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_
self, sqs_create_queue, aws_client
    ):
        # cr
        queue_url = sqs_create_queue(
            QueueName=f"test-queue-{short_uid()}.fifo",
            Attributes={"FifoQueue": "true", "ContentBasedDeduplication": "true"},
        )
        item = '{"foo": "bar"}'
        group = "group-1"
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody=item, MessageGroupId=group)
        aws_client.sqs.send_message(QueueUrl=queue_url, MessageBody=item, MessageGroupId=group)
        # fi
        response = aws_client.sqs.receive_message(
            QueueUrl=queue_url, MaxNumberOfMessages=1, WaitTimeSeconds=2
        )
        assert len(response["Messages"]) == 1
        assert response["Messages"][0]["Body"] == item
        # se
        response = aws_client.sqs.receive_message(
            QueueUrl=queue_url, MaxNumberOfMessages=1, WaitTimeSeconds=1
        )
        assert response.get("Messages", []) == []
    @pytest.mark.aws_validated
    @pytest.mark.parametrize("content_based_deduplication", [True, False])
    def test_fifo_deduplication_arrives_once_after_delete(