Uploading a folder alters the modification date

[cbertelli]

Describe the bug Uploading a folder does not keep the modification date. I don't need to highlight the importance of reliable metadata for backup

To Reproduce Steps to reproduce the behavior:

1. Drag and drop a folder to the web interface

Expected behavior The folder should keep the same date and metadata as the uploaded folder

Desktop (please complete the following information):

• OS: MacOS 13.8, Manjaro Linux current
• Browser: Chromium
• Version: 142.0.7391.0 (Build) (x86_64)