Consider returning reference type from `AddComponent` API

The AddComponent API currently returns a boolean that indicates if the addition of the component to the document registry succeeded.

It would be nice if the API returned a reference to the item that was just constructed. In an M.A.OpenAPI transformer, I currently need to write:

options.AddOperationTransformer((operation, context, cancellationToken) =>
{
    var schemaService = context.ApplicationServices.GetRequiredKeyedService<IOpenApiSchemaService>(context.DocumentName);
    if (context.Description.RelativePath == "error")
    {
        var errorSchema = schemaService.GetOrCreateSchema(typeof(ProblemDetails));
        context.Document.AddComponent("Error", errorSchema);
        operation.Responses["500"] = new OpenApiResponse
        {
            Description = "Error",
            Content =
            {
                ["application/problem+json"] = new OpenApiMediaType
                {
                    Schema = new OpenApiSchemaReference("Error", context.Document),
                },
            },
        };
    }
    return Task.CompletedTask;
});

but would like to write:

options.AddOperationTransformer((operation, context, cancellationToken) =>
{
    var schemaService = context.ApplicationServices.GetRequiredKeyedService<IOpenApiSchemaService>(context.DocumentName);
    if (context.Description.RelativePath == "error")
    {
        var errorSchema = schemaService.GetOrCreateSchema(typeof(ProblemDetails));
        var insertedSchema = context.Document.AddComponent("Error", errorSchema);
        operation.Responses["500"] = new OpenApiResponse
        {
            Description = "Error",
            Content =
            {
                ["application/problem+json"] = new OpenApiMediaType
                {
                    Schema = insertedSchema,
                },
            },
        };
    }
    return Task.CompletedTask;
});

cc: @baywet I couldn't see if an API that did this existed already and figured I'd add the proposal.

Comienza por localizar la implementación de la API AddComponent y cualquier cobertura existente para el registro de componentes de documentos. Compara su resultado booleano actual con el ejemplo de AddOperationTransformer y, a continuación, verifica que la referencia devuelta representa el esquema insertado mientras el comportamiento de registro existente permanece intacto.