Issue: 21848 Adding 'connector-service' as default-config. (#21856)

Author: naman223

appserver/admin/template/src/main/resources/config/domain.xml

@@ -288,6 +288,8 @@
              <!-- JSR 160  "system-jmx-connector" -->
              <property value="${com.sun.aas.installRoot}/lib/install/applications/admingui.war" name="adminConsoleDownloadLocation" />
          </admin-service>
+         <connector-service shutdown-timeout-in-seconds="30">
+         </connector-service>
          <web-container>
              <session-config>
                  <session-manager>