feat(nx): upgrade nx 20 and angular 19

apps/signal/56-forms-and-signal/src/app/app.component.ts

@@ -2,7 +2,6 @@ import { Component } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
 
 @Component({
-  standalone: true,
   imports: [RouterOutlet],
   selector: 'app-root',
   template: `

apps/signal/56-forms-and-signal/src/app/checkout.component.ts

@@ -9,7 +9,6 @@ import { products } from './products';
 
 @Component({
   selector: 'app-dashboard',
-  standalone: true,
   imports: [RouterLink],
   template: `
     <h2 class="mb-1 w-full bg-gray-400 p-2 text-white">Checkout</h2>

apps/signal/56-forms-and-signal/src/app/dashboard.component.ts

@@ -4,7 +4,6 @@ import { products } from './products';
 
 @Component({
   selector: 'app-dashboard',
-  standalone: true,
   imports: [RouterLink],
   template: `
     <h2 class="mb-5 w-full bg-gray-400 p-2 text-white">List of Products</h2>

apps/signal/56-forms-and-signal/src/app/order.component.ts

@@ -11,7 +11,6 @@ import { products } from './products';
 
 @Component({
   selector: 'app-order',
-  standalone: true,
   imports: [RouterLink, ReactiveFormsModule],
   template: `
     <h2 class="mb-5 w-full bg-gray-400 p-2 text-white">Order</h2>

apps/signal/56-forms-and-signal/src/app/payment.component.ts

@@ -3,7 +3,6 @@ import { RouterLink } from '@angular/router';
 
 @Component({
   selector: 'app-dashboard',
-  standalone: true,
   imports: [RouterLink],
   template: `
     <h2 class="mb-1 w-full bg-green-700 p-2 text-white">Payment Success</h2>