fix: do not fail if we are not inside a systemd environment

Signed-off-by: ZHANG Yuntian <[email protected]>

src/usr/lib/rsetup/cli/system.sh

@@ -220,7 +220,9 @@ EOF
         rm -f "$config_dir/50-rsetup-autologin.conf"
     fi
 
-    systemctl daemon-reload
+    if ! systemctl daemon-reload; then
+        echo "If you are running in chroot environment, where systemd is not running, then you can ignore above error." >&2
+    fi
 }
 
 set_sddm_autologin() {