Some fixes (Concurrent List GUI)

src/main/java/it/polimi/ingsw/gc14/Network/RMI/Client/ClientCallbackImpl.java

@@ -53,14 +53,15 @@ public class ClientCallbackImpl extends UnicastRemoteObject implements IClientCa
      */
     @Override
     public void onAction(NetworkEvent event) throws RemoteException {
-        synchronized (clientController)
-        {
-            if(event.getIsError()) {
-                clientController.view.showError(event.toString());
-            } else {
+        if(event.getIsError()) {
+            clientController.view.showError(event.toString());
+        } else {
+            synchronized (clientController)
+            {
                 event.apply(clientController.miniModel);
-                clientController.view.render();
             }
+            clientController.view.render();
+
         }
     }
 }

src/main/java/it/polimi/ingsw/gc14/Network/TCP/Client/TCPClient.java

@@ -165,6 +165,7 @@ public class TCPClient implements IClient {
                             event.apply(controller.miniModel);
                         }
                         controller.view.render();
+
                     }
 
                 } else if (read instanceof MiniModel model) {