Broken SourceGraph integration

Summary

User can't view source code information when viewing code under Merge Request > Changes tab.

Steps to reproduce

• Navigate to a Merge Request
• Open Changes tab and clicking on some code
• Observe a red popup display instead of a normal source code navigation UI

Example Project

This is observed on https://gitlab.com/gitlab-org/gitlab project.

What is the current bug behavior?

• User see red popup when clicking on code under Changes tab

What is the expected correct behavior?

• User should see source code information as per (https://docs.gitlab.com/ee/integration/sourcegraph.html#sourcegraph-integration)

Relevant logs and/or screenshots

• Sentry (https://sentry.gitlab.net/gitlab/gitlabcom-clientside/issues/1634547/events/)

Output of checks

This bug happens on GitLab.com

Possible fixes