render only new requests

src/Model/ContactItem.h

@@ -1,8 +1,11 @@
+// Copyright 2019-2020 The Hush developers
+// GPLv3
 #ifndef CONTACTITEM_H
 #define CONTACTITEM_H
 
 #include <vector>
 #include <QString>
+#include "mainwindow.h"
 using json = nlohmann::json;
 
 class ContactItem
@@ -13,7 +16,7 @@ private:
     QString _name;
     QString _cid;
     QString _avatar;
-
+    
 public:
     ContactItem();
     ContactItem(QString name, QString partnerAddress, QString myAddress, QString cid, QString avatar);