fix: include source in auth login response

backend/routes/auth.js

@@ -122,6 +122,7 @@ router.post('/login', async (req, res) => {
         game_name: user.game_name,
         game_uid: user.game_uid,
         role: user.role,
+        source: user.source,
       },
     });
   } catch (err) {