fix

This resolves the issue where a ConnectionRequestMessage could not exceed the transport MTU size because it was using the ReliableSequenced and not the ReliableFragmentedSequenced pipeline.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/Connection/NetworkConnectionManager.cs

@@ -635,7 +635,7 @@ private void SendConnectionRequest()
                 }
             }
 
-            SendMessage(ref message, NetworkDelivery.ReliableSequenced, NetworkManager.ServerClientId);
+            SendMessage(ref message, NetworkDelivery.ReliableFragmentedSequenced, NetworkManager.ServerClientId);
             message.MessageVersions.Dispose();
         }