### Description When I create a new repo without any commit, the `Last indexed SHA` field looks like this:  Just an empty button. I think the button should be hidden, if the content is not available. ### Gitea Version 1.20.2 ### Can you reproduce the bug on the Gitea demo site? Yes ### Log Gist _No response_ ### Screenshots _No response_ ### Git Version _No response_ ### Operating System _No response_ ### How are you running Gitea? Docker compose ### Database SQLite