fix: scroll to top on route navigation

Add withInMemoryScrolling({ scrollPositionRestoration: 'top' }) to the
router config so the page scrolls to top when navigating between routes,
fixing the wizard steps not scrolling back up.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: markgoho

members/src/app/app.config.ts

@@ -8,7 +8,7 @@ import {
 import { initializeApp, provideFirebaseApp } from '@angular/fire/app';
 import { connectAuthEmulator, getAuth, provideAuth } from '@angular/fire/auth';
 import { connectFirestoreEmulator, getFirestore, provideFirestore } from '@angular/fire/firestore';
-import { provideRouter, withComponentInputBinding } from '@angular/router';
+import { provideRouter, withComponentInputBinding, withInMemoryScrolling } from '@angular/router';
 import { routes } from './app.routes';
 import { authInterceptor } from './interceptors/auth.interceptor';
 import { windowProvider } from './services/window.token';
@@ -22,7 +22,11 @@ export const appConfig: ApplicationConfig = {
     provideBrowserGlobalErrorListeners(),
     provideZonelessChangeDetection(),
     provideHttpClient(withFetch(), withInterceptors([authInterceptor])),
-    provideRouter(routes, withComponentInputBinding()),
+    provideRouter(
+      routes,
+      withComponentInputBinding(),
+      withInMemoryScrolling({ scrollPositionRestoration: 'top' }),
+    ),
     // Firebase providers
     provideFirebaseApp(() =>
       initializeApp({