Another publish fix

.ado/publish.js

@@ -51,7 +51,6 @@ function doPublish() {
 
   const npmTarFileName = `../react-native-${releaseVersion}.tgz`;
   const npmTarPath = path.resolve(__dirname, npmTarFileName);
-  fs.copyFileSync(npmTarPath, path.join(process.env.SYSTEM_DEFAULTWORKINGDIRECTORY, 'final', npmTarFileName));
 
   const assetUpdateUrl = `https://uploads.github.com/repos/microsoft/react-native/releases/{id}/assets?name=react-native-${releaseVersion}.tgz`;
   const authHeader =
@@ -85,6 +84,8 @@ function doPublish() {
 
         console.log('Response: ' + body);
 
+        fs.copyFileSync(npmTarPath, path.join(process.env.SYSTEM_DEFAULTWORKINGDIRECTORY, 'final', npmTarFileName));
+
         exec(`del ${npmTarPath}`);
         exec(`git checkout ${publishBranchName}`);
         exec(`git pull origin ${publishBranchName}`);