* refactor: Optimize Email Domain Validation in OpenID, SAML, and Social Login Strategies
- Implemented email domain validation for user authentication in OpenID and SAML strategies, ensuring only allowed domains are processed.
- Adjusted error messages for clarity and consistency across authentication methods.
- Refactored social login to validate email domains before checking for existing users, improving registration flow.
* refactor: Email Domain Validation in LDAP and Social Login Strategies