chore: Add feature flags in the settings console (#5657)

app/javascript/dashboard/components/layout/sidebarComponents/SecondaryNavItem.vue

@@ -123,12 +123,12 @@ export default {
       return !!this.menuItem.children;
     },
     isMenuItemVisible() {
-      if (!this.menuItem.featureFlagKey) {
+      if (!this.menuItem.featureFlag) {
         return true;
       }
       return this.isFeatureEnabledonAccount(
         this.accountId,
-        this.menuItem.featureFlagKey
+        this.menuItem.featureFlag
       );
     },
     isInboxConversation() {
@@ -217,7 +217,7 @@ export default {
       }
     },
     showItem(item) {
-      return this.isAdmin && item.newLink !== undefined;
+      return this.isAdmin && !!item.newLink;
     },
     onClickOpen() {
       this.$emit('open');