### Is there an existing issue for this?

- [X] I have searched the existing issues

### Feature description

Basically we want to only run the lambda when an insert is occurring in DynamoDB.
I tested using Dynobase deleting a record and the lambda still triggered.

```
resource "aws_lambda_event_source_mapping" "event-log" {
	event_source_arn  = aws_dynamodb_table.event-log.stream_arn
	function_name     = module.main.lambda-arn
	starting_position = "LATEST"
	enabled = true # change to false when truncating the table in localstack
	maximum_retry_attempts = 1 # limit retry on failure to 1 for now

	# https://dev.to/aws-builders/filtering-dynamodb-streams-before-lambda-p5p
	filter_criteria { # Doesn't seem to work on LocalStack for now
		filter {
			pattern = jsonencode({
				body = {
					eventName : ["INSERT"]
				}
			})
		}
	}
}
```


### 🧑‍💻 Implementation

_No response_

### Anything else?

 https://dev.to/aws-builders/filtering-dynamodb-streams-before-lambda-p5p
import json
import logging
import time
from typing import Dict, List
from localstack.services.awslambda import lambda_executors
from localstack.services.awslambda.event_source_listeners.event_source_listener import (
    EventSourceListener,
)
from localstack.services.awslambda.lambda_api import (
    get_event_sources,
    message_attributes_to_lower,
    run_lambda,
)
from localstack.services.awslambda.lambda_executors import InvocationResult
from localstack.utils.aws import aws_stack
from localstack.utils.threads import FuncThread
LOG = logging.getLogger(__name__)
class SQSEventSourceListener(EventSourceListener):
    
    SQS_LISTENER_THREAD: Dict = {}
    SQS_POLL_INTERVAL_SEC: float = 1
    @staticmethod
    def source_type():