fix: fixing incorrect merge done as part of commit 85842ee (#1023)

Author: jeffreyrainy

com.unity.multiplayer.mlapi/Runtime/Spawning/NetworkSpawnManager.cs

@@ -357,10 +357,9 @@ internal void SendSpawnCallForObject(ulong clientId, ulong ownerClientId, Networ
 
                 var messageQueueContainer = NetworkManager.MessageQueueContainer;
 
-                ulong[] clientIds = NetworkManager.ConnectedClientsIds;
                 var context = messageQueueContainer.EnterInternalCommandContext(
                     MessageQueueContainer.MessageType.CreateObject, NetworkChannel.Internal,
-                    clientIds, NetworkUpdateLoop.UpdateStage);
+                    new ulong[] { clientId }, NetworkUpdateLoop.UpdateStage);
                 if (context != null)
                 {
                     using (var nonNullContext = (InternalCommandContext)context)