gog: actually wait for login instead of reentering the loop

gog.js

@@ -83,6 +83,7 @@ try {
         process.exit(1);
       }
     }
+    await page.waitForSelector('#menuUsername');
     if (!cfg.debug) context.setDefaultTimeout(cfg.timeout);
   }
   const user = await page.locator('#menuUsername').first().textContent(); // innerText is uppercase due to styling!