129503 【备份还原】向数据备份页面拖拽文件后点击上一步，再次进入拖拽文件页面中无拖放文件或文件夹识别路径文案提示(必现)

kybackup/component/backuplistwidget.h

@@ -63,6 +63,8 @@ public:
         this->clear();
         this->m_List.clear();
         emit this->deleteEmpty();
+        m_plusLogo->setVisible(true);
+        m_plusText->setVisible(true);
     }
 
 protected: