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# Type of request: This is a ...

[*] bug report
[ ] feature request

# Detailed description

When setting up a FIFO SNS topic with a FIFO SQS subscriber, in the case where a `MessageGroupId` is sent to the SNS topic it fails when being sent to the SQS queue as the `MessageGroupId` isn't passed along.

## Expected behavior

`MessageGroupId` should be passed along to the SQS queue

## Actual behavior

It's not passed along and it will error with the message:

```An error occurred (MissingParameter) when calling the SendMessage operation: The request must contain the parameter MessageGroupId.```


I believe the error is around here:
https://github.com/localstack/localstack/blob/master/localstack/services/sns/sns_listener.py#L295

# Steps to reproduce

```
        aws sns create-topic --attributes=FifoTopic=true --name local_sns --endpoint-url=http://localstack:4566
        aws sqs create-queue --endpoint-url=http://localstack:4566 --queue-name local_queue
        aws --endpoint-url=http://localstack:4566 sns subscribe --topic-arn arn:aws:sns:eu-west-1:000000000000:local_sns --protocol sqs --notification-endpoint http://localstack:4566/000000000000/local_queue
```

Then sending a new message to the topic with a messagegroupid results in the error above.


## Command used to start LocalStack

Docker compose

## Client code (AWS SDK code snippet, or sequence of "awslocal" commands)

...

attributes = {}
    x = 1
    while True:
        name = req_data.get('MessageAttributes.entry.' + str(x) + '.Name', [None])[0]
        if name is not None:
            attribute = {
                'Type': req_data.get('MessageAttributes.entry.' + str(x) + '.Value.DataType', [None])[0]
            }
            string_value = req_data.get('MessageAttributes.entry.' + str(x) + '.Value.StringValue', [None])[0]
            binary_value = req_data.get('MessageAttributes.entry.' + str(x) + '.Value.BinaryValue', [None])[0]
            if string_value is not None:
                attribute['Value'] = string_value
            elif binary_value is not None:
                attribute['Value'] = binary_value
            attributes[name] = attribute
            x += 1
        else:
            break
    return attributes
def get_subscribe_attributes(req_data):
    attributes = {}
    for key in req_data.keys():
        if '.key' in key:
            attributes[req_data[key][0]] = req_data[key.replace('key', 'value')][0]
    return attributes
def is_number(x):