### Preflight Checklist

- [X] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project adheres to.
- [X] I have searched the [issue tracker](https://www.github.com/electron/electron/issues) for a feature request that matches the one I want to file, without success.

### Electron Version

15.3.0

### What operating system are you using?

Windows

### Operating System Version

Windows 11 21H2 (22000.282)

### What arch are you using?

x64

### Last Known Working Electron version

latest 11, aka 11.5.0

### Expected Behavior

Downloading a file with a comma in name should return full filename.

### Actual Behavior

When the request is filtered with `onHeadersReceived`, the filename is cut up to the first comma.

### Testcase Gist URL

_No response_

### Additional Information

The issue was first reported in #29346 but was closed because it was unable to reproduce it.

http.txt

```
HTTP/1.1 200 OK
Content-Type: text/plain
Content-Disposition: attachment; filename="foo,bar.txt"
Content-Length: 3

foo
```

Serve via ncat on port 1337

```shell
ncat -l 1337 < http.txt
```

Minimal Electron code:

```js
const {app, BrowserWindow} = require('electron')

function createWindow () {
  app.on('session-created', session => {
    session.webRequest.onHeadersReceived((details, callback) => {
      callback({ responseHeaders: details.responseHeaders });
    });
  });

  const mainWindow = new BrowserWindow({
    width: 800,
    height: 600
  })

  mainWindow.loadURL('http://localhost:1337/')
}

app.whenReady().then(createWindow);
```
shell/browser/api/electron_api_web_request.cc
net::HttpResponseHeaders* headers) {
  base::DictionaryValue response_headers;
  if (headers) {
    size_t iter = 0;
    std::string key;
    std::string value;
    while (headers->EnumerateHeaderLines(&iter, &key, &value)) {
      base::Value* values = response_headers.FindListKey(key);
      
      
      
      
      
      
      if (base::EqualsCaseInsensitiveASCII("Content-Disposition", key) &&
          !value.empty()) {
        net::HttpContentDisposition header(value, std::string());
        std::string decodedFilename =
            header.is_attachment() ? " attachment" : " inline";
        decodedFilename += "; filename=" + header.filename();
        value = decodedFilename;
      }
      if (!values)
        values = response_headers.SetKey(key, base::ListValue());
      values->Append(value);
    }
  }
  return gin::ConvertToV8(v8::Isolate::GetCurrent(), response_headers);
}
void ToDictionary(gin_helper::Dictionary* details,