The folder selector sidebar is not closable on non-touch interfaces.

To Reproduce
Steps to reproduce the behavior:

1. Install on a linux without touchscreen
2. Click to select / folders (and recycle bin)
3. Now unable to close this selector window

Expected behavior
Should be a button or right-click option to close, or simply closing by clicking on the header bar

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Debian Linux 12
• Browser: Ungoogled chromium 127.0