### 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
self,
        context: RequestContext,
        domain_name: String,
        position: String = None,
        limit: NullableInteger = None,
    ) -> BasePathMappings:
        region_details = APIGatewayRegion.get()
        mappings_list = region_details.base_path_mappings.get(domain_name) or []
        result = [
            to_base_mapping_response_json(domain_name, m["basePath"], m) for m in mappings_list
        ]
        return BasePathMappings(items=result)
    def get_base_path_mapping(
        self, context: RequestContext, domain_name: String, base_path: String
    ) -> BasePathMapping:
        region_details = APIGatewayRegion.get()
        mappings_list = region_details.base_path_mappings.get(domain_name) or []
        mapping = ([m for m in mappings_list if m["basePath"] == base_path] or [None])[0]
        if mapping is None:
            raise NotFoundException(f"Base path mapping not found: {domain_name} - {base_path}")
        result = to_base_mapping_response_json(domain_name, base_path, mapping)
        return BasePathMapping(**result)
    def create_base_path_mapping(