fix(@schematics/angular): do not add changeDetection in default template

As the new default is `Eager`, the CLI was adding `changeDetection: ChangeDetectionStrategy.Eager` in every component

Author: cexbrayat

packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.__type@dasherize__.ts.template

@@ -1,4 +1,4 @@
-import { <% if(changeDetection !== 'Default') { %>ChangeDetectionStrategy, <% }%>Component<% if(!!viewEncapsulation) { %>, ViewEncapsulation<% }%> } from '@angular/core';
+import { <% if(changeDetection !== 'Eager') { %>ChangeDetectionStrategy, <% }%>Component<% if(!!viewEncapsulation) { %>, ViewEncapsulation<% }%> } from '@angular/core';
 
 @Component({<% if(!skipSelector) {%>
   selector: '<%= selector %>',<%}%><% if(standalone) {%>
@@ -16,7 +16,7 @@ import { <% if(changeDetection !== 'Default') { %>ChangeDetectionStrategy, <% }%
     }
   <% } %>`,<% } else if (style !== 'none') { %>
   styleUrl: './<%= dasherize(name) %><%= type ? '.' + dasherize(type): '' %>.<%= style %>',<% } %><% if(!!viewEncapsulation) { %>
-  encapsulation: ViewEncapsulation.<%= viewEncapsulation %>,<% } if (changeDetection !== 'Default') { %>
+  encapsulation: ViewEncapsulation.<%= viewEncapsulation %>,<% } if (changeDetection !== 'Eager') { %>
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %>,<% } %>
 })
 export <% if(exportDefault) {%>default <%}%>class <%= classifiedName %> {

packages/schematics/angular/component/index_spec.ts

@@ -72,6 +72,15 @@ describe('Component Schematic', () => {
     expect(tsContent).toMatch(/changeDetection: ChangeDetectionStrategy.OnPush/);
   });
 
+  it('should not set changeDetection by default', async () => {
+    const options = { ...defaultOptions };
+
+    const tree = await schematicRunner.runSchematic('component', options, appTree);
+    const tsContent = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
+    expect(tsContent).not.toMatch(/changeDetection:/);
+    expect(tsContent).not.toMatch(/ChangeDetectionStrategy/);
+  });
+
   it('should not set view encapsulation', async () => {
     const options = { ...defaultOptions };