Set default value for countriesOfSubscribers

apps/client/src/app/pages/landing/landing-page.component.ts

@@ -52,16 +52,17 @@ export class LandingPageComponent implements OnDestroy, OnInit {
     private dataService: DataService,
     private deviceService: DeviceDetectorService
   ) {
-    const { countriesOfSubscribers, globalPermissions, statistics } =
-      this.dataService.fetchInfo();
+    const {
+      countriesOfSubscribers = [],
+      globalPermissions,
+      statistics
+    } = this.dataService.fetchInfo();
 
-    if (countriesOfSubscribers) {
     for (const country of countriesOfSubscribers) {
       this.countriesOfSubscribersMap[country] = {
         value: 1
       };
     }
-    }
 
     this.hasPermissionForStatistics = hasPermission(
       globalPermissions,