解决国产loongarch64麒麟窗口关闭不掉的问题；

app/scanner2/mainwindow.cpp

@@ -1754,7 +1754,10 @@ void MainWindow::on_dialog_sideBar_finish(bool ok)
         }
     }
     m_widget_sideBar->enableUI(false);
-    emit m_pbtn_push->clicked();
+
+    /* Important!!! Modified on 2024-09-18, caused windows cannot be responsed when clicked "X" button on loongarch64 kylin v10P1. */
+    //emit m_pbtn_push->clicked();
+    on_m_pbtn_push_clicked();
 }
 
 void MainWindow::on_act_thumbnailBar_triggered(bool checked)