fix(cli): fix template info not detecting mixed architecture projects (#15567)

Author: tido64

change/@react-native-windows-cli-67af0813-4acc-4796-b7a7-a05f5eb1d623.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Fixed template info not detecting mixed architecture projects",
+  "packageName": "@react-native-windows/cli",
+  "email": "4123478+tido64@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}

packages/@react-native-windows/cli/src/commands/config/configUtils.ts

@@ -143,43 +143,43 @@ export function getRawTemplateInfo(filePath: string): RawTemplateInfo {
     if (
       importProjectExists(
         projectContents,
-        'Microsoft.ReactNative.Uwp.CppApp.targets',
+        'Microsoft.ReactNative.Composition.CppApp.targets',
       )
     ) {
       result.projectType = 'app';
-      result.projectArch = 'old';
+      result.projectArch = 'new';
     } else if (
       importProjectExists(
         projectContents,
-        'Microsoft.ReactNative.Uwp.CppLib.targets',
+        'Microsoft.ReactNative.Composition.CppLib.targets',
       )
     ) {
       result.projectType = 'lib';
-      result.projectArch = 'old';
+      result.projectArch = 'new';
     } else if (
       importProjectExists(
         projectContents,
-        'Microsoft.ReactNative.Composition.CppApp.targets',
+        'Microsoft.ReactNative.CppLib.targets',
       )
     ) {
-      result.projectType = 'app';
-      result.projectArch = 'new';
+      result.projectType = 'lib';
+      result.projectArch = 'mixed';
     } else if (
       importProjectExists(
         projectContents,
-        'Microsoft.ReactNative.Composition.CppLib.targets',
+        'Microsoft.ReactNative.Uwp.CppApp.targets',
       )
     ) {
-      result.projectType = 'lib';
-      result.projectArch = 'new';
+      result.projectType = 'app';
+      result.projectArch = 'old';
     } else if (
       importProjectExists(
         projectContents,
-        'Microsoft.ReactNative.CppLib.targets',
+        'Microsoft.ReactNative.Uwp.CppLib.targets',
       )
     ) {
       result.projectType = 'lib';
-      result.projectArch = 'mixed';
+      result.projectArch = 'old';
     }
   }