Don't mark restart http as failed if json returns false because it was not restarted (#6906)

deploy/synology_dsm.sh

@@ -387,7 +387,7 @@ synology_dsm_deploy() {
     if echo "$response" | grep '"restart_httpd":true' >/dev/null; then
       _info "Restart HTTP services succeeded."
     else
-      _info "Restart HTTP services failed."
+      _info "Restart HTTP services not necessary."
     fi
     _temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
     _logout