- Replaced PhoneInput component with ControlledPhoneField for better integration with react-hook-form.
- Updated validation for phone numbers using isValidPhone function to ensure proper formatting.
- Removed country code handling from forms, simplifying phone number management.
- Introduced new phone field component with consistent styling and behavior.
- Added phone number validation on the backend using class-validator.
- Removed unused phone utility functions and cleaned up related code.
