not possible to multi select and drag and drop photos

[tethragon]

 * Xviewer version 3.4.6
 * Linux mint 22 cinnamon

Issue
With "image gallery" enabled. it is not possible to multi select photos and then copy/paste to other folder or drag and drop

Steps to reproduce

Open an image with xviewer. Go to View, enable "image gallery". Go to image gallery and select using shift or ctrl some images. Try to drag and drop or copy/pase. It is not working

Expected behaviour

Drag and drop or copy/paste should work.

Other information