feat(@schematics/angular): Add prompt for new apps to be zoneless

This commit adds a prompt to ask if the user wants to generate the app
as zoneless.

Author: atscott

packages/schematics/angular/application/schema.json

@@ -120,6 +120,7 @@
     },
     "zoneless": {
       "description": "Generate an application that does not use `zone.js`.",
+      "x-prompt": "Do you want to create a 'zoneless' application without zone.js (Developer Preview)?",
       "type": "boolean",
       "default": false
     }

packages/schematics/angular/ng-new/schema.json

@@ -141,6 +141,7 @@
     },
     "zoneless": {
       "description": "Create an initial application that does not utilize `zone.js`.",
+      "x-prompt": "Do you want to create a 'zoneless' application without zone.js (Developer Preview)?",
       "type": "boolean",
       "default": false
     }

pnpm-lock.yaml

@@ -2,19 +2,12 @@ import { ng } from '../../../utils/process';
 import { useCIChrome } from '../../../utils/project';
 
 export default async function () {
-  await ng('generate', 'app', 'standalone', '--experimental-zoneless', '--standalone');
+  await ng('generate', 'app', 'standalone', '--zoneless', '--standalone');
   await useCIChrome('standalone', 'projects/standalone');
   await ng('test', 'standalone', '--watch=false');
   await ng('build', 'standalone');
 
-  await ng(
-    'generate',
-    'app',
-    'ngmodules',
-    '--experimental-zoneless',
-    '--no-standalone',
-    '--skip-install',
-  );
+  await ng('generate', 'app', 'ngmodules', '--zoneless', '--no-standalone', '--skip-install');
   await useCIChrome('ngmodules', 'projects/ngmodules');
   await ng('test', 'ngmodules', '--watch=false');
   await ng('build', 'ngmodules');