fix: SendToObservers sends to that exact connection if it is detected…

… as local connection, instead of falling back to the .localConnection field which might be something completely different.

Assets/Mirror/Runtime/NetworkServer.cs

@@ -239,7 +239,7 @@ internal static void ActivateHostScene()
                     {
                         // use local connection directly because it doesn't send via transport
                         if (kvp.Value is ULocalConnectionToClient)
-                            result &= localConnection.Send(segment);
+                            result &= kvp.Value.Send(segment);
                         // gather all internet connections
                         else
                             connectionIdsCache.Add(kvp.Key);