Multiple List<T> Properties of the same Type not getting the correct ref

[corner4-atzlst]

Describe the bug
Generating OpenApi Json from a Class with multiple List<T> Properties result in only the first one getting a proper Type. All other Properties don't have a Type and result in Any.

OpenApi File To Reproduce

using Microsoft.AspNetCore.Mvc;

[ApiController]
[Route("[controller]")]
public class CustomerController : ControllerBase
{
    [HttpGet(Name = "GetCustomer")]
    [Produces<CustomerModel>]
    public IActionResult Get()
    {
        return Ok(new CustomerModel {
            Name = "Contoso",
            PropA =
            [
                new OptionRef { RefId = "1", DisplayText = "Type A" },
                new OptionRef { RefId = "2", DisplayText = "Type B" }
            ],
            PropB =
            [
                new OptionRef { RefId = "1", DisplayText = "Branch A" },
                new OptionRef { RefId = "2", DisplayText = "Branch B" }
            ],
            PropC =
            [
                new OptionRef { RefId = "1", DisplayText = "Storage A" },
                new OptionRef { RefId = "2", DisplayText = "Storage B" }
            ],
        });
    }
}

public class CustomerModel
{
    public string Name { get; set; } = string.Empty;

    public List<OptionRef> PropB { get; set; } = [];
    public List<OptionRef> PropC { get; set; } = [];
    public List<OptionRef> PropA { get; set; } = [];
}

public class OptionRef
{
    public string RefId { get; set; } = string.Empty;
    public string DisplayText { get; set; } = string.Empty;
}

{
  "openapi": "3.0.1",
  "info": {
    "title": "corner4-OpenApiTest | v1",
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "http://localhost:5227/"
    }
  ],
  "paths": {
    "/Customer": {
      "get": {
        "tags": [
          "Customer"
        ],
        "operationId": "GetCustomer",
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "text/plain": {
                "schema": {
                  "$ref": "#/components/schemas/CustomerModel"
                }
              },
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/CustomerModel"
                }
              },
              "text/json": {
                "schema": {
                  "$ref": "#/components/schemas/CustomerModel"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "CustomerModel": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "propB": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/OptionRef"
            }
          },
          "propC": {
            "type": "array",
            "items": {}
          },
          "propA": {
            "type": "array",
            "items": {}
          }
        }
      },
      "OptionRef": {
        "type": "object",
        "properties": {
          "refId": {
            "type": "string"
          },
          "displayText": {
            "type": "string"
          }
        }
      }
    }
  },
  "tags": [
    {
      "name": "Customer"
    }
  ]
}

Expected behavior
That propC and propA have items ref properly set.

Screenshots/Code Snippets

Additional context
Tested with Microsoft.AspNetCore.OpenApi 9.0.6 with Default WebApi Project with OpenApi Support.

Maybe related to: https://stackoverflow.com/a/79414849 ?

[baywet]

Hi @corner4-atzlst
Would you mind creating an issue against this repository instead please?
https://github.com/dotnet/aspnetcore