### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

event path doesn't have trailing slash

### Expected Behavior

event path should have trailing slash

### How are you starting LocalStack?

With a docker-compose file

### Steps To Reproduce

{**'path': '/get_presigned_url'**, 'headers': {'Host': '0vcomlwzdi.execute-api.localhost.localstack.cloud:4566', .... more event logs .... }

### Environment

```markdown
- OS: Mac m1 
- LocalStack: 1.0.1
```


### Anything else?

noticing this while running a lambda test against localstack...in AWS the trailing slash in present
return to_response_json("documentationpart", data, api_id=api_id)
def to_base_mapping_response_json(domain_name, base_path, data):
    self_link = "/domainnames/%s/basepathmappings/%s" % (domain_name, base_path)
    return to_response_json("basepathmapping", data, self_link=self_link)
def to_account_response_json(data):
    return to_response_json("account", data, self_link="/account")
def to_vpc_link_response_json(data):
    return to_response_json("vpclink", data)
def to_client_cert_response_json(data):
    return to_response_json("clientcertificate", data, id_attr="clientCertificateId")
def to_response_json(model_type, data, api_id=None, self_link=None, id_attr=None):
    if isinstance(data, list) and len(data) == 1:
        data = data[0]
    id_attr = id_attr or "id"
    result = deepcopy(data)
    if not self_link:
        self_link = "/%ss/%s" % (model_type, data[id_attr])
        if api_id:
            self_link = "/restapis/%s/%s" % (api_id, self_link)
    if "_links" not in result:
        result["_links"] = {}
    result["_links"]["self"] = {"href": self_link}
    result["_links"]["curies"] = {
        "href": "https://docs.aws.amazon.com/apigateway/latest/developerguide/restapi-authorizer-latest.html",
        "name": model_type,
        "templated": True,
    }
    result["_links"]["%s:delete" % model_type] = {"href": self_link}
    return result