fix typo

src/addressbook.cpp

@@ -166,7 +166,7 @@ void AddressBook::open(MainWindow* parent, QLineEdit* target)
     // Add new address button
     QObject::connect(ab.addNew, &QPushButton::clicked, [&] () {
         auto addr = ab.addr->text().trimmed();
-        auto myAddr = ab.addr->text().trimmed();
+        auto myAddr = ab.addr_chat->text().trimmed();
         QString newLabel = ab.label->text();
         QString cid = QUuid::createUuid().toString(QUuid::WithoutBraces);