Alrott SlimRG

### Is your feature request related to a problem? Please describe Flatpack is more stable and easy for install or update. ### Describe the solution you'd like It will be...

I have controller: ``` /// /// Получение контента документа. /// [HttpPost] [Route("/v2/documents/content")] [Produces(MediaTypeNames.Application.Zip)] [ProducesResponseType(typeof(byte[]), 200)] public async Task DocumentsContent( [FromBody] JsonDocument json, [FromServices] IDocumentsContentLogic documentsContentLogic) { var result = await...

Есть результат выполнения `GetDocflowsAsync` - мы берем из него `getDocflowsResponse?.Documents?.FirstOrDefault()` типа `DocumentWithDocflowV3 documentWithDocflowV3`. Далее идёт получение и обработка подписей: ``` var senderCadesT = documentWithDocflowV3?.Docflow.SenderTitle?.Attachment?.Signature?.CadesT?.Content?.Data; var proxyCadesT = documentWithDocflowV3?.Docflow.ProxyResponse?.Signature?.CadesT?.Content?.Data; ``` Но...