/etc/xdg/xdg-xubuntu/autostart/xdg-xubuntu-templates.desktop is in xubuntu-default-settings 18.04.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [Desktop Entry]
Name=Xubuntu Templates
Exec=/usr/share/xubuntu/templates/xdg-xubuntu-templates
|