MOBILE-4081 singletons: Add event for when main home loads

src/core/features/mainmenu/pages/menu/menu.ts

@@ -149,6 +149,7 @@ export class CoreMainMenuPage implements OnInit, OnDestroy {
                 }
             });
         }
+        CoreEvents.trigger(CoreEvents.MAIN_HOME_LOADED);
     }
 
     /**

src/core/singletons/events.ts

@@ -117,6 +117,7 @@ export class CoreEvents {
     static readonly DEVICE_REGISTERED_IN_MOODLE = 'device_registered_in_moodle';
     static readonly COURSE_MODULE_VIEWED = 'course_module_viewed';
     static readonly COMPLETE_REQUIRED_PROFILE_DATA_FINISHED = 'complete_required_profile_data_finished';
+    static readonly MAIN_HOME_LOADED = 'main_home_loaded';
 
     protected static logger = CoreLogger.getInstance('CoreEvents');
     protected static observables: { [eventName: string]: Subject<unknown> } = {};