Unable to download private files (e.g.: files which are accessed through login)

**Unable to download private files (e.g.: files which are accessed through login)**

I am use inappWebView plugin for my app. When I try to download any file (for example, book from a website which requires login to download books) i get success in the debug console but the downloaded file is some html everytime.
**Screenshots**



**Code**
```
Future downloadFile(String url,
[String? filename]) async {
var hasStoragePermission = await Permission.storage.isGranted;
if (!hasStoragePermission) {
final status = await Permission.storage.request();
hasStoragePermission = status.isGranted;
}
if (kDebugMode) {
print('downloadFile: $url');
}
if (hasStoragePermission) {
await FlutterDownloader.enqueue(
url: url,
headers: {},
savedDir: (await getTemporaryDirectory()).path,
saveInPublicStorage: true,
fileName: filename);
}
}
```
- OS: Andriod
- Version: 14

**Device information:**

- Device: pixel 6 pro
- OS: android
- plugin version ^1.9.1

Start from the FlutterDownloader.enqueue call shown in the report, especially its empty headers, and investigate how authenticated downloads are handled on Android 14. Reproduce the case with a login-protected URL and verify that the downloaded result is the requested file rather than an HTML login response.

Written by the indexing model from the issue text.