User can see the repo url and file list with Guest role

Summary

User can see the repo url and files with Guest role and get an error message: "Something went wrong on our end." Wen the guest click an a file he goes the 404 page.

Steps to reproduce

• Create a private project
• Add a new member with Guest role
• Log in with Guest user and open the project

What is the current bug behavior?

Guest can acces the project file list. "Something went wrong on our end."

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com