Blame view renders empty code section and clumps records for go.mod

Summary

Blame view renders incorrectly for go.mod at 7771eb28 in gitlab-org/gitlab-shell.

Steps to reproduce

1. Visit https://gitlab.com/gitlab-org/gitlab-shell/-/blob/7771eb28b7672f0c3c3136201643caa6cee9db2f/go.mod?blame=1

Actual behavior

• The code section is empty.
• All blame records are clumped together rather than aligned with their corresponding lines.

Expected behavior

The file contents should render, and each blame record should align with the relevant source line.

Environment

GitLab.com