fix: sibling for openapi 3.1

[AlexVarchuk]

What/Why/How?

fixes: #2042
Seems it is broken when we override recursive check logic.

{
      "openapi": "3.1.0",
      "info": {
        "title": "AA",
        "version": "1.0"
      },
      "paths": {
        "/test": {
          "get": {
            "operationId": "test",
            "responses": {
              "200": {
                "content": {
                  "application/json": {
                    "schema": {
                      "type": "object",
                      "properties": {
                        "testAttr": {
                          "description": "Overriden description",
                          "$ref": "#/components/schemas/Test"
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        },
      },
      "components": {
        "schemas": {
          "Test": {
            "type": "object",
            "description": "Refed description"
          }
        }
      }
    }

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