Switching display modes effects available spacing for icons
When switching from single monitor to extended display the available space xfdesktop thinks it has seems to be miscalculated.
In this example additional padding is added to the right and padding removed from the top. (Xubuntu 20.04, xfdesktop 4.14.2) desktop_icons_on_2nd_monitor-2020-04-22_05.37.41_-_edit
In this example additional padding is added to the right and a huge padding is added to the left (Xubuntu 19.10, xfdesktop 4.14.1) desktop_icons_and_multi_monitor-2020-06-24_06.38.35_-_edit