Allow users to update an LFS file using Web UI

What does this MR do and why?

For Allow replacing and deleting LFS files using th... (#35099 - closed) currently, when a user tries to update an existing lfs file, it loses lfs label and is treated as a normal file.

This MR aims to allow users to replace/delete files that are stored in LFS using the web interface.

Screenshots or screen recordings

Screen_Recording_2024-08-18_at_11.39.12_PM

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