fix: sveltekit server endpoint buffer response

Author: m3tasploit

packages/firebase-frameworks/src/sveltekit/index.ts

@@ -26,7 +26,7 @@ export const handle = async (req: Request, res: Response) => {
     return res.writeHead(404, "Not Found").end();
   }
 
-  const body = await rendered.text();
+  const body = Buffer.from(await rendered.arrayBuffer());
   return res.writeHead(rendered.status, Object.fromEntries(rendered.headers)).end(body);
 };