Cannot open branch with a slash in WebIde

Summary

It is not possible to open a branch containing a slash in WebIde (Example: 'feature/NewFeature' won't open)

Steps to reproduce

  • Create a branch with a slash in it.
  • Try to open one of it's files in WebIde

Example Project

https://gitlab.com/egeorget/TestBranchWebIde/tree/bug/shlashbranch

What is the current bug behavior?

There is an error when WebIde opens in the affected branch.

What is the expected correct behavior?

The branch opens in WebIde.

Relevant logs and/or screenshots

WebIde

Output of checks

This bug happens on GitLab.com.