Revert "Change init-windows default new app template to New Architecture" (microsoft#14985)

* Revert "Change `init-windows` default new app template to New Architecture (#…"

This reverts commit 1d04e27.

* Change files

Author: anupriya13

change/@react-native-windows-cli-55399dd7-6f33-4e76-82c7-1832ffab3efa.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Revert \"Change `init-windows` default new app template to New Architecture (#…\"",
+  "packageName": "@react-native-windows/cli",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

change/react-native-windows-a7eded58-5a2a-479b-b48e-19ebcd5e6e2b.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Revert \"Change `init-windows` default new app template to New Architecture (#…\"",
+  "packageName": "react-native-windows",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

packages/@react-native-windows/cli/src/commands/initWindows/initWindowsOptions.ts

@@ -24,7 +24,7 @@ export const initOptions: CommandOption[] = [
   {
     name: '--template [string]',
     description: 'Specify the template to use',
-    default: 'cpp-app',
+    default: undefined,
   },
   {
     name: '--name [string]',

vnext/templates/cpp-app/template.config.js

@@ -144,9 +144,8 @@ async function postInstall(config = {}, options = {}) {
 module.exports = {
   name: 'React Native Windows Application (New Arch, WinAppSDK, C++)',
   description:
-    "A RNW app using RN's New Architecture, built in C++ and targeting WinAppSDK.",
+    "[Preview] A RNW app using RN's New Architecture, built in C++ and targeting WinAppSDK.",
   preInstall,
   getFileMappings,
   postInstall,
-  isDefault: true,
 };

vnext/templates/old/generateWrapper.js

@@ -13,7 +13,7 @@ function makeGenerateWindowsWrapper(language = 'cpp', isDefault = false) {
   const name = `React Native Windows Application (Old Arch, UWP, ${
     language === 'cs' ? 'C#' : 'C++'
   })`;
-  const description = `[Legacy] A RNW app using RN's Old Architecture, built in ${
+  const description = `A RNW app using RN's Old Architecture, built in ${
     language === 'cs' ? 'C#' : 'C++'
   } and targeting UWP.`;
 

vnext/templates/old/uwp-cpp-app/template.config.js

@@ -12,4 +12,4 @@
 
 const {makeGenerateWindowsWrapper} = require('../generateWrapper');
 
-module.exports = makeGenerateWindowsWrapper('cpp');
+module.exports = makeGenerateWindowsWrapper('cpp', true); // TODO: Remove this as the default