### 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_
queue_name = f"queue-{short_uid()}"
        queue_url = sqs_create_queue(QueueName=queue_name)
        attributes = {"attr1": {"StringValue": "test1", "DataType": "String"}}
        aws_client.sqs.send_message(
            QueueUrl=queue_url, MessageBody="test", MessageAttributes=attributes
        )
        
        aws_client.sqs.receive_message(
            QueueUrl=queue_url, VisibilityTimeout=0, MessageAttributeNames=["All"]
        )
        receive_result = aws_client.sqs.receive_message(
            QueueUrl=queue_url, MessageAttributeNames=["All"]
        )
        assert receive_result["Messages"][0]["MessageAttributes"] == attributes
    @pytest.mark.aws_validated
    def test_send_message_with_empty_string_attribute(self, sqs_queue, aws_client):
        with pytest.raises(ClientError) as e:
            aws_client.sqs.send_message(
                QueueUrl=sqs_queue,
                MessageBody="test",
                MessageAttributes={"ErrorDetails": {"StringValue": "", "DataType": "String"}},
            )
        assert e.value.response["Error"] == {
            "Type": "Sender",
            "Code": "InvalidParameterValue",
            "Message": "Message (user) attribute 'ErrorDetails' must contain a non-empty value of type 'String'.",
        }
    @pytest.mark.aws_validated
    def test_send_message_with_invalid_string_attributes(self, sqs_create_queue, aws_client):