fix: Openapi get workspaces fixes

[eloycoto]

The openapi is not completed, this is an example output of my code:

$ --> curl http://localhost:8081/api/v1/workspaces | jq .
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   440  100   440    0     0   322k      0 --:--:-- --:--:-- --:--:--  429k
[
  {
    "id": "e7e905df-ed99-4430-804c-efa5bec94678",
    "name": "12313",
    "description": "123123",
    "timestamp": "2023-05-08T12:07:01.006582995Z",
    "project_ids": [
      "1e804dab-f516-460c-9ef5-a7b703958b3a"
    ],
    "inputs": {
      "001b0d9d-15ad-4855-a356-9bed3810a9b6": {
        "id": "001b0d9d-15ad-4855-a356-9bed3810a9b6",
        "name": "spring-helloworld-main.zip",
        "description": "",
        "timestamp": "2023-05-08T13:37:48.883095434Z",
        "type": "sources",
        "normalized_name": "spring-helloworld-main"
      }
    }
  }
]

[eloycoto]

@ashokponkumar please review.

[github-actions[bot]]

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