use low level apis to generate video thumbnail & remove unnecessary code

- Adjusted status bar layout in MainWindow to include app version label.
- Enhanced video thumbnail generation in PhotoModel using FFmpeg for better performance and resource management.
- Streamlined MediaStreamerManager to ensure proper cleanup and thread safety.
- Updated ServiceManager to include safe methods for retrieving file info and handling AFC operations.
- Removed get_device_version
- Cleaned up code and improved readability across multiple files.
- Passed correct args to ZUpdater

src/ifusewidget.cpp

@@ -352,7 +352,6 @@ void iFuseWidget::onProcessFinished(int exitCode,
             "Device mounted successfully at: " + m_currentMountPath, false);
 
         auto *b = new iFuseDiskUnmountButton(m_currentMountPath);
-        MainWindow::sharedInstance()->statusBar()->addPermanentWidget(b);
         QProcess *processToKill = m_ifuseProcess;
         QString currentMountPath = m_currentMountPath;
         connect(b, &iFuseDiskUnmountButton::clicked, this,
@@ -369,6 +368,7 @@ void iFuseWidget::onProcessFinished(int exitCode,
                     MainWindow::sharedInstance()->statusBar()->removeWidget(b);
                     b->deleteLater();
                 });
+        MainWindow::sharedInstance()->statusBar()->addPermanentWidget(b);
         QDesktopServices::openUrl(QUrl::fromLocalFile(currentMountPath));
     } else {
         QString errorOutput = m_ifuseProcess->readAllStandardError();