docs(docs-infra): replace deprecated Router.isActive with isActive (angular#66430)

Updates the view transition logic to use the isActive function instead of the deprecated Router.isActive

PR Close angular#66430

Author: SkyZeroZx

adev/src/app/routing/router_providers.ts

@@ -22,6 +22,7 @@ import {
   RedirectCommand,
   withNavigationErrorHandler,
   withRouterConfig,
+  isActive,
 } from '@angular/router';
 import {routes} from './routes';
 import {ADevTitleStrategy} from '../core/services/a-dev-title-strategy';
@@ -51,14 +52,14 @@ export const routerProviders = [
         const router = inject(Router);
         const toTree = createUrlTreeFromSnapshot(to, []);
         // Skip the transition if the only thing changing is the fragment and queryParams
-        if (
-          router.isActive(toTree, {
-            paths: 'exact',
-            matrixParams: 'exact',
-            fragment: 'ignored',
-            queryParams: 'ignored',
-          })
-        ) {
+        const isTargetRouteCurrent = isActive(toTree, router, {
+          paths: 'exact',
+          matrixParams: 'exact',
+          fragment: 'ignored',
+          queryParams: 'ignored',
+        });
+
+        if (isTargetRouteCurrent()) {
           transition.skipTransition();
         }
       },