Styling issues for OAS 3.1

Q&A (please complete the following information)

• OS: macOS
• Browser: chrome
• Version: 133
• Method of installation: npm
• Swagger-UI version: 5.19.0
• Swagger/OpenAPI version: OpenAPI 3.1

Content & configuration

Example Swagger/OpenAPI definition:

{
    "openapi": "3.1.0",
    "info": {
        "title": "Upload JSON object API",
        "summary": "A brief summary of the Sample API.",
        "version": "1.0.0"
    },
    "paths": {
        "/example": {
            "head": {
                "requestBody": {
                    "content": {
                        "application/json": {
                            "schema": {
                                "type": "object",
                                "properties": {
                                    "exampleField": {
                                        "type": "string"
                                    }
                                }
                            }
                        }
                    }
                },
                "responses": {
                    "200": {
                        "description": "Successful response"
                    }
                }
            }
        }
    }
}

Swagger-UI configuration options:

SwaggerUI({
        spec: apiSpec,
        defaultModelsExpandDepth: -1,
        dom_id: '#api-ui-container',
        defaultModelRendering: 'model',
        showExtensions: true,
        deepLinking: true,
        plugins: [DisableTryItOutPlugin],
        onComplete(): void {
          setTimeout(() => that.swaggerUiOnComplete(that), 1000);
        },
      })

Describe the bug you're encountering

There are styling issues observed in the response schema section.

Expected behavior

Reproduce the response schema styling with the supplied OpenAPI 3.1 example and SwaggerUI configuration, then compare the result with the attached expected screenshot. Identify the relevant Swagger UI styling or response-schema entry point from the rendered page; done means the response schema presentation matches the expected appearance.