LFS label is absent on files with long name/path

Summary

LFS label is absent on files with long name/path

Steps to reproduce

1. Add file with long path/name to lfs.
2. Push
3. Open diff viewer

What is the current bug behavior?

LSF label is not visible

What is the expected correct behavior?

LSF label is visible

Output of checks

This bug happens on GitLab.com

Possible fixes

.file-header-content should be display: flex, .label-lfs should be flex-shrink: 0