further optimised checkouts behaviour

Caisses/GraphicalStore.cs

@@ -168,12 +168,9 @@ namespace Caisses
                     {
                         NotFullCheckouts.Add(checkout);
                     }
-                }
-            }
 
-            foreach (GraphicalCheckout checkout in Checkouts)
-            {
-                if (checkout.Open && checkout.Clients.Count > 0)
+                    //Checkout behaviour
+                    if (checkout.Clients.Count > 0)
                     {
                         Client cClient = checkout.Clients[0];
                         if (cClient.State != Client.ClientState.Checkout)
@@ -192,6 +189,7 @@ namespace Caisses
                     }
                 }
             }
+        }
         public List<Bitmap> Draw()
         {
             ShelvesCorner = new Bitmap(ShelvesCorner.Width, ShelvesCorner.Height);