public async Task <IActionResult> Index()
{
ViewBag.Canvas = (List <EntityNodeConfiguration>) await _visualService.GetNodePlottingGeometry(new Guid("822934B2-5EBE-4B47-843F-2423B20292F8"));
//ViewBag.Canvas = (StraightConnectionLineViewModel) await _visualService.GetLinePlottingGeometry(new Guid("822934B2-5EBE-4B47-843F-2423B20292F8"));
return(View());
}