Enhance OutlookCaseHelper with performance and stability fixes
Improved threading for Outlook COM objects to use STA, preventing threading violations. Added guards to manage dialog instances and introduced a helper method to reduce code duplication for form handling. Enhanced error handling for better user feedback and implemented caching for folder references to optimize performance. Refined rule management logic, fixed regex for tracking ID extraction, and ensured proper COM object management to prevent memory leaks. General code cleanup for improved readability and maintainability.