* feat: Enhance SCIM user attribute handling and sync process
- Introduced a new PR_TODO.md file to track ongoing tasks and fixes.
- Updated `getAttributesFromScimPayload` to accept a directoryId and ignore core user attributes during syncing.
- Modified `handleUserEvents` to pass directoryId when syncing custom attributes.
- Improved attribute creation logic to handle unique options and added support for optional isGroup property in attribute options.
- Added utility function `getOptionsWithValidContains` to ensure valid sub-options in attribute options.
- Updated tests to reflect changes in attribute handling and ensure proper functionality.
This commit addresses issues with user attribute syncing and enhances the overall attribute management process.
* test: Add unit tests for getOptionsWithValidContains utility function
- Introduced a new test file for the getOptionsWithValidContains function.
- Added tests to verify the removal of duplicate options, initialization of empty contains arrays, filtering of non-existent sub-options, and handling of empty options arrays.
- Ensured comprehensive coverage of the utility's functionality to enhance reliability and maintainability.
