Changed close on already closed to end quietly

Author: nicholas-maltbie

Transports/com.community.netcode.transport.websocket/Runtime/NativeWebSocketClient.cs

@@ -63,19 +63,14 @@ public void Connect()
 
         public void Close(CloseStatusCode code = CloseStatusCode.Normal, string reason = null)
         {
-            if (Connection == null)
-            {
-                return;
-            }
-
             if (ReadyState == WebSocketSharp.WebSocketState.Closing)
             {
                 throw new InvalidOperationException("Socket is already closing");
             }
 
             if (ReadyState == WebSocketSharp.WebSocketState.Closed)
             {
-                throw new InvalidOperationException("Socket is already closed");
+                return;
             }
 
             try

Transports/com.community.netcode.transport.websocket/Runtime/WebSocketTransport.cs

@@ -93,7 +93,6 @@ public override void Send(ulong clientId, ArraySegment<byte> data, NetworkDelive
 
         public override void Shutdown()
         {
-            IsStarted = false;
             if (WebSocketClient != null)
             {
                 WebSocketClient.Close();
@@ -102,6 +101,7 @@ public override void Shutdown()
             {
                 WebSocketServer.Stop();
             }
+            IsStarted = false;
         }
 
         public override bool StartClient()