Reapply all-desktop scope after notification mapping

tools/chatgui/src/message_notification.cpp

@@ -91,6 +91,7 @@ void MessageNotification::showMessage(const QString& target, const QString& send
         GUI_DEBUG("notification: recreated Wayland surface for current desktop target=%s", qPrintable(target));
     }
     m_hideTimer.stop();
+    m_activity->stop();
     m_target = target;
     m_body->setText(QCoreApplication::translate("ChatGui", "New message from %1").arg(sender) + '\n' + channel);
     setFixedWidth(qMin(360, qMax(1, area.width() - 24)));
@@ -105,6 +106,7 @@ void MessageNotification::showMessage(const QString& target, const QString& send
     move(x, y);
     setDesktopScope();
     show();
+    setDesktopScope(); // Подтверждаем область после MapRequest, если WM заменил предварительную подсказку.
     m_activity->start();
     GUI_INFO("notification: %s target=%s screen=%s position=%d,%d tray_anchor=%d waiting_for_activity",
              replacing ? "updated" : "shown", qPrintable(target), qPrintable(screen->name()), x, y, int(!trayGeometry.isEmpty()));