Fix paginator detection and child path for vimeo example

[sh-rp]

{
"paginator": {
"type": "page_number",
"page_param": "page",
"total_path": "",
"maximum_page": 20,
},
}

generated from

{
"total": 10,
"page": 1,
"per_page": 25,
"paging": {
"next": null,
"previous": null,
"first": "/categories?page=1",
"last": "/categories?page=1"
},
"data": []
}

[sh-rp]

missing total path...

[sh-rp]

https://github.com/dlt-hub/openapi-specs/blob/main/open_api_specs/vimeo.yaml