Make "Files Folder Tree" scalable

With us, the question and the desire to scale up the folder structure in the Files application always comes up. This is possible in the Wikis application since Version 6CR5. Users can move the left navigation bar independently of the actual wiki content and scale the width. This is fantastic for example to be able to read the whole wiki text on the left side. Why was this important feature implemented only in the Wikis application? In the Files application this is incredibly important if you have longer folder names and work with the tree folder structure. This feature should definitely be added!

For an example, see the screenshot in the attachment.