Rollout small cleanup

Core/Controllers/Telegram.cs

@@ -33,7 +33,7 @@ namespace Kruzya.TelegramBot.Core.Controllers
         }
 
         [HttpPost]
-        public IActionResult Index([FromBody] Update? update)
+        public IActionResult Index()
         {
             if (_secretToken != null && !Request.Headers.ContainsKey(SecretTokenHeader))
             {
@@ -48,7 +48,7 @@ namespace Kruzya.TelegramBot.Core.Controllers
                 return BadRequest();
             }
 
-            LaunchHandle(update);
+            LaunchHandle(JsonConvert.DeserializeObject<Update>(Request.Body.ToString()));
             return Ok();
         }