[update] : Replace string of user name for all tty

Author: Hayao0819

modules/share/airootfs.any/root/customize_airootfs.sh

@@ -174,8 +174,8 @@ create_user "${username}" "${password}"
 
 
 # Set up auto login
-if [[ -f /etc/systemd/system/getty@tty1.service.d/autologin.conf ]]; then
-    sed -i s/%USERNAME%/"${username}"/g /etc/systemd/system/getty@tty1.service.d/autologin.conf
+if [[ -f "/etc/systemd/system/getty@.service.d/autologin.conf" ]]; then
+    sed -i "s|%USERNAME%|${username}|g" "/etc/systemd/system/getty@.service.d/autologin.conf"
 fi