Define SNMP page route in IBM navigation

Add route definition for SNMP settings page so route can be
caught in 404 Page not found.

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: Iccbed7a2fccd962a5ff0d6b78fb557949b586837
diff --git a/src/env/components/AppNavigation/ibm.js b/src/env/components/AppNavigation/ibm.js
index 8c9de60..4fd2096 100644
--- a/src/env/components/AppNavigation/ibm.js
+++ b/src/env/components/AppNavigation/ibm.js
@@ -110,7 +110,7 @@
             {
               id: 'snmp-settings',
               label: this.$t('appNavigation.snmpSettings'),
-              route: '',
+              route: '/configuration/snmp-settings',
             },
           ],
         },