* fix: social login provider crossover
* feat: Enhance OpenID login handling and add tests for provider validation
* refactor: authentication error handling to use ErrorTypes.AUTH_FAILED enum
* refactor: update authentication error handling in LDAP and SAML strategies to use ErrorTypes.AUTH_FAILED enum
* ci: Add validation for login with existing email and different provider in SAML strategy
chore: Add logging for existing users with different providers in LDAP, SAML, and Social Login strategies
