Xfce4 showdesktop plugin give precedence to org.xfce.panel.showdesktop over user-desktop icon, so changing color of folders icon does not change showdesktop icons.
I think that should be simple symlinking org.xfce.panel.showdesktop to user-desktop then change papirus-folder code.
Xfce4 showdesktop plugin give precedence to org.xfce.panel.showdesktop over user-desktop icon, so changing color of folders icon does not change showdesktop icons. I think that should be simple symlinking org.xfce.panel.showdesktop to user-desktop then change papirus-folder code.