### 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_
with pytest.raises(ClientError) as e:
            message_attributes = {"k": {"DataType": "String", "StringValue": "x"}}
            message_attributes_size = len("k") + len("String") + len("x")
            message_body = "a" * (DEFAULT_MAXIMUM_MESSAGE_SIZE - message_attributes_size)
            aws_client.sqs.send_message_batch(
                QueueUrl=sqs_queue,
                Entries=[
                    {
                        "Id": "1",
                        "MessageBody": message_body,
                        "MessageAttributes": message_attributes,
                    },
                    {"Id": "2", "MessageBody": "a"},
                ],
            )
        snapshot.match("send_oversized_message_batch", e.value.response)
    @pytest.mark.aws_validated
    @pytest.mark.skip_snapshot_verify(paths=["$..Error.Detail"])
    def test_send_message_batch_with_oversized_contents_with_updated_maximum_message_size(