Add THEME key to v-change-user-package

bin/v-change-user-package

@@ -138,6 +138,7 @@ U_DATABASES='$U_DATABASES'
 U_CRON_JOBS='$U_CRON_JOBS'
 U_BACKUPS='$U_BACKUPS'
 LANGUAGE='$LANGUAGE'
+THEME='$THEME'
 NOTIFICATIONS='$NOTIFICATIONS'
 TIME='$TIME'
 DATE='$DATE'" > $USER_DATA/user.conf