Revert setup_hook position but keep token assignment.

Author: Eviee Py

twitchio/client.py

@@ -280,11 +280,12 @@ async def login(self, *, token: str | None = None) -> None:
             logger.info("Generated App Token for Client-ID: %s", validated.client_id)
 
         self._http._app_token = token
-        await self.setup_hook()
 
         async with self._http._token_lock:
             await self.load_tokens()
 
+        await self.setup_hook()
+
     async def __aenter__(self) -> Self:
         return self