Mergerequest modified files are ordered differently in the tree view than in the change list

Summary

Mergerequest modified files are ordered differently in the tree view than in the change list.

Steps to reproduce

Create a mergerequest with changes on paths like foo-bar/file and foo/bar/file.

Example Project

sim6/gitlab-issue-sort-mergerequest-changes!1 (diffs)

See also isard/isardvdi!514 (diffs)

What is the current bug behavior?

Mergerequest modified files are ordered differently in the tree view than in the change list.

What is the expected correct behavior?

Mergerequest modified files tree view and change list should use the same criteria to order the files.

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com