Model files tab can't open

[ttlittletree]

Describe the bug
Open a model and navigate to files tab, it will redirect to 404 page. I also noticed the API call 500 error
It seems the last commit is nil but the code not handle it

Environment
CSGHub Version: latest
OS: MacOS
Hardware: M2 Pro
Launch: vscode

Screenshots

Additional context

[pulltheflower]

Seems the repository is an empty repository, which with no commits. I'll fix this bug later.

Thanks for your report! @ttlittletree