### 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,
        base_path: String,
        patch_operations: ListOfPatchOperation = None,
    ) -> 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"Not found: mapping for domain name {domain_name}, "
                f"base path {base_path} in list {mappings_list}"
            )
        patch_operations = ensure_list(patch_operations)
        for operation in patch_operations:
            if operation["path"] == "/restapiId":
                operation["path"] = "/restApiId"
        result = apply_json_patch_safe(mapping, patch_operations)
        for i in range(len(mappings_list)):
            if mappings_list[i]["basePath"] == base_path:
                mappings_list[i] = result
        result = to_base_mapping_response_json(domain_name, base_path, result)
        return BasePathMapping(**result)
    def delete_base_path_mapping(