files: overflow of files with big name

[jrcastro2]

Package version (if known): v0.19.15

Describe the bug

The files box overflows when uploading files with large name.

Steps to Reproduce

1. Go to 'New upload'
2. Click on 'Upload files '
3. Select a file with a large name
4. See overflow of the files box

Expected behavior

File name should be truncated so that it fits in the default size of the files box

Screenshots (if applicable)