Fix duplicate nav item

There are two "Configuration" nav items in the primary app
nav. Changed the second one to "Access control"

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I5de41892ec3f675c7cb98b1600d77f0342723d57
diff --git a/src/components/AppNavigation/AppNavigationMixin.js b/src/components/AppNavigation/AppNavigationMixin.js
index 8cd54c5..498d6ca 100644
--- a/src/components/AppNavigation/AppNavigationMixin.js
+++ b/src/components/AppNavigation/AppNavigationMixin.js
@@ -116,7 +116,7 @@
         },
         {
           id: 'access-control',
-          label: this.$t('appNavigation.configuration'),
+          label: this.$t('appNavigation.accessControl'),
           icon: 'iconAccessControl',
           children: [
             {