fix presence channel (georgeboot#15)

Co-authored-by: Nenad Scekic <nenad.scekic@skunkworksden.com>

Author: nenads

js-src/Websocket.ts

@@ -146,7 +146,7 @@ export class Websocket {
                     event: 'subscribe',
                     data: {
                         channel: channel.name,
-                        auth: response.data.auth,
+                        ... response.data
                     },
                 })
             }).catch((error) => {

src/Handler.php

@@ -93,7 +93,7 @@ protected function subscribe(WebsocketEvent $event, Context $context): void
             $data = "{$event->getConnectionId()}:{$channel}";
 
             if ($channelData) {
-                $data .= ':' . json_encode($channelData);
+                $data .= ':' . $channelData;
             }
 
             $signature = hash_hmac('sha256', $data, config('app.key'), false);