use hyprland command socket instead of spawning a hyprctl process

src/widgets/notification/notificationWindow.cpp

@@ -91,7 +91,7 @@ NotificationWindow::NotificationWindow(uint64_t notificationId, std::shared_ptr<
                 if (cb && guard && !*guard) {
                     *guard = true;
                     cb(action_id);
-                    this->signal_close.emit(this->notificationId);
+                    this->getSignalClose().emit(this->getNotificationId());
                 }
             });
             actions_box->append(*btn);