Invalid redirect URL for OAuth success. after 1.8.0 update

### 👟 Reproduction steps i am using discord as oauth it worked in 1.7.4 but since i upgraded i get <img width="501" height="246" alt="Image" src="https://github.com/user-attachments/assets/71f50268-4d02-484d-929c-83e429f8c85b" /> ### 👍 Expected behavior login ### 👎 Actual Behavior <img width="468" height="162" alt="Image" src="https://github.com/user-attachments/assets/c1393571-1e8c-425d-b2bd-29547783f0b6" /> Discord says invalid URL format ### 🎲 Appwrite version Version 1.8.x ### 💻 Operating system Linux ### 🧱 Your Environment _No response_ ### 👀 Have you spent some time to check if this issue has been raised before? - [x] I checked and didn't find similar issue ### 🏢 Have you read the Code of Conduct? - [x] I have read the [Code of Conduct](https://github.com/appwrite/.github/blob/main/CODE_OF_CONDUCT.md)