Bug in the Web IDE in custom port
Summary
There is a bug in the Web IDE when using a custom port.
Steps to reproduce
Just create an installation of GitLab CE with a different port to the default, which is 80, and go to the Web IDE.
What is the current bug behavior?
If you set a different port to the default, the tree files in the Web IDE never load.
Relevant logs and/or screenshots
Output of checks
Detected in a custom installation with Docker of GitLab CE