- Updated the CenterMentorSchema to include user validation by fetching user information based on email.
- Implemented error handling to throw an error if the user is not found.
- Modified the logic to block center owners from being invited as mentors by checking against the user's ID instead of the email.
- Improved overall error messaging for better clarity when invitation conditions are not met.
- Implemented checks in CenterMentorSchema to block center owners from being invited as mentors.
- Added validation to prevent mentors from being invited to their own centers or centers they already mentor.
- Enhanced error handling to provide clear feedback when invitation conditions are not met.
