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[zh-cn]: add & sync translation for File System API
### Tasks
- [ ] #20035
- [ ] [FileSystemHandle](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemHandle)
- [ ] [FileSystemFileHandle](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemFileHandle)
- [ ] [FileSystemDirectoryHandle](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemDirectoryHandle)
- [ ] [FileSystemSyncAccessHandle](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemSyncAccessHandle)
- [ ] [FileSystemWritableFileStream](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemWritableFileStream)
- [ ] #20034
- [ ] [DataTransferItem.getAsFileSystemHandle()](https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItem/getAsFileSystemHandle)
- [ ] [StorageManager.getDirectory()](https://developer.mozilla.org/en-US/docs/Web/API/StorageManager/getDirectory)