### Description The web UI of Gitea 1.15.6 always shows an extra line at the end of a file. This was previously reported in https://github.com/go-gitea/gitea/issues/4050. This can be reproduced on gitea demo site. I randomly picked a file here: https://try.gitea.io/asahiocean/leetcode/src/branch/main/.gitignore ### Gitea Version 1.15.6 ### Can you reproduce the bug on the Gitea demo site? Yes ### Log Gist _No response_ ### Screenshots   ### Git Version _No response_ ### Operating System _No response_ ### How are you running Gitea? Self-hosted ### Database PostgreSQL