Для openSUSE Leap 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/GNOME:STABLE:41/openSUSE_Leap_15.4/GNOME:STABLE:41.repo
zypper refresh
zypper install xdg-user-dirs-gtk
Для openSUSE Leap 15.3 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/GNOME:STABLE:41/openSUSE_Leap_15.3/GNOME:STABLE:41.repo
zypper refresh
zypper install xdg-user-dirs-gtk
Для SLE 15 SP4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/GNOME:STABLE:41/SLE_15_SP4/GNOME:STABLE:41.repo
zypper refresh
zypper install xdg-user-dirs-gtk