Let calamares-raspiprep.sh add oem user

debian/changelog

@@ -1,3 +1,9 @@
+calamares-settings-ubuntu (1:25.04.6) plucky; urgency=medium
+
+  * Lubuntu raspi prep: Create oem user so it can actually login to sddm
+
+ -- Erich Eickmeyer <eeickmeyer@ubuntu.com>  Wed, 20 Nov 2024 16:58:28 -0800
+
 calamares-settings-ubuntu (1:25.04.5) plucky; urgency=medium
 
   * Fix Vcs to point to ubuntu-qt-code team LP git.

lubuntu/oem/calamares-raspiprep.sh

@@ -3,6 +3,8 @@
 # First user configuration mode, bypassing oem config
 # mode
 
+useradd -G adm,cdrom,dip,lpadmin,plugdev,sambashare,sudo -m -s /bin/bash -u 1001 oem
+
 /usr/libexec/calamares-oemprep.sh
 
 sddm_file="$(cat <<EOL