Symfony version(s) affected

7.0.8

Description

Hey.

I know. Nobody use Google Chat :D
When using Notifier component with Google Chat as notification channel there is a problem when you want to send messages into thread. Currently in transport implementation (GoogleChatTransport.php) the threadKey is added in URL. That options is deprecated (https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces.messages/create?hl=en). Also if you want to send message into thread you also must define a messageReplyOption that is missing in current implementation.

So even if you define a threadKey, messages will be always sent to as new thread.

How to reproduce

Fragment of my code:

use Symfony\Component\Notifier\Bridge\GoogleChat\GoogleChatOptions;
use Symfony\Component\Notifier\ChatterInterface;
use Symfony\Component\Notifier\Message\ChatMessage;
use Symfony\Component\Notifier\Notification\Notification;

class SendNotificationToGoogleChat
{
    public function __construct(
        private ChatterInterface $chatter,
    ) {
    }

    public function send(): void
    {
        $subject = 'Topic';
        $content = 'Message';
        $notification = (new Notification($subject, ['chat/google']))->content($content);
        $options = (new GoogleChatOptions(GoogleChatOptions::fromNotification($notification)->toArray()));
        $options->setThreadKey('threadKey');
        $message = ChatMessage::fromNotification($notification)->options($options);

        $this->chatter->send($message);
    }
}

Possible Solution

I see three possible solutions.

1. Just add &messageReplyOption=REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD to $url in GoogleChatTransport if threadKey is defined.
2. Add to GoogleChatOptions property with messageReplyOption that user can define for his own.
3. Also refactor deprecated code. Removes threadKey from $url and add it in body like documentation says.

Additional Context

I also have ready and tested fix so I can send a PR but didn't sure for which versions in should be. If you help me with this I can add a PR with my changes for review.