Replace std functions with Qt ones for better efficiency
- std::vector has been replaced by QStringList
- std::string has been replaced by QString
- std::filesystem::directory_entry and std::filesystem::path have been replaced by QFileInfo
- std::filesystem::directory_iterator has been replaced by QDir
- std::filesystem::temp_directory_path has been replaced by QTemporaryDir Other functions such as ContainerViewer::splitString and ContainerViewer::endsWith have been replaced by their Qt counterparts.