Category query does not handle fragments

[nrkapoor]

Category query does not return correct response when using fragments

Steps to reproduce:

• Create some categories
• Run Query:

  {
  categoryList(filters: {ids: {eq: "10"}}) {
  ... on CategoryTree {
    id
    name
    url_path
  }
  }
  }

Actual Response:

{
  "data": {
    "categoryList": [
      {
        "id": 10,
        "name": null,
        "url_path": null
      }
    ]
  }
}

Expected response (should match response without using fragment)

{
  "data": {
    "categoryList": [
      {
        "id": 10,
        "name": "Sweaters",
        "url_path": "venia-tops/venia-sweaters"
      }
    ]
  }
}

[m2-assistant[bot]]

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[m2-assistant[bot]]

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Hi @munkhulzii. Thank you for working on this issue. In order to make sure that issue has enough information and ready for development, please read and check the following instruction: :point_down:

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[munkhulzii]

@magento give me 2.4-develop instance

[magento-engcom-team]

Hi @munkhulzii. Thank you for your request. I'm working on Magento 2.4-develop instance for you