### 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,
        content_based_deduplication,
        snapshot,
    ):
        attributes = {"FifoQueue": "true"}
        if content_based_deduplication:
            attributes["ContentBasedDeduplication"] = "true"
        queue_url = sqs_create_queue(
            QueueName=f"test-queue-{short_uid()}.fifo",
            Attributes=attributes,
        )
        item = '{"foo": "bar"}'
        kwargs = {}
        if not content_based_deduplication:
            kwargs["MessageDeduplicationId"] = "dedup1"
        aws_client.sqs.send_message(
            QueueUrl=queue_url, MessageBody=item, MessageGroupId="group-1", **kwargs
        )
        aws_client.sqs.send_message(
            QueueUrl=queue_url, MessageBody=item, MessageGroupId="group-2", **kwargs
        )
        # 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