Issue Description
在 Qoder 中安装 Ruff 扩展时失败，报错指向 Python 扩展目录（ms-python.python-2026.4.0-win32-x64）无法读取，提示 “Cannot read the extension”。
Steps to Reproduce
- 打开 Qoder 扩展面板
- 搜索并安装 Ruff 扩展
- 安装过程中报错
Expected Behavior
Ruff 扩展应正常安装并激活，提供代码格式化和 lint 功能。
Actual Behavior
Ruff 扩展安装失败，Output > Window 面板报错：
2026-04-21 10:02:16.741 [error] [Window] ScanningExtension: Cannot read the extension from /c:/Users/53276/.qoder/extensions/ms-python.python-2026.4.0-win32-x64
*at Sh.scanLocalExtension (file:///c:/Program%20Files/Qoder/resources/app/out/vs/code/electron-utility/sharedProcess/sharedProcessMain.js:74:90331)*
*at async wh.doRun (file:///c:/Program%20Files/Qoder/resources/app/out/vs/code/electron-utility/sharedProcess/sharedProcessMain.js:74:96362)*
2026-04-21 10:02:16.745 [error] [Window] Cannot read the extension from /c:/Users/53276/.qoder/extensions/ms-python.python-2026.4.0-win32-x64: ScanningExtension: Cannot read the extension from /c:/Users/53276/.qoder/extensions/ms-python.python-2026.4.0-win32-x64
*at Sh.scanLocalExtension (file:///c:/Program%20Files/Qoder/resources/app/out/vs/code/electron-utility/sharedProcess/sharedProcessMain.js:74:90331)*
*at async wh.doRun (file:///c:/Program%20Files/Qoder/resources/app/out/vs/code/electron-utility/sharedProcess/sharedProcessMain.js:74:96362)*### Additional Context（补充信息）
- 安装 Ruff 扩展时触发此报错
- Python 扩展（ms-python.python-2026.4.0）已提前安装
- 已尝试删除 Python 扩展目录并重新安装，问题依旧
- 已确认用户账户对扩展目录具有完全控制权限