Restructured action inputs into structured objects for an improved user experience

• Create Registrant groups address inputs into Address, name inputs into Name, contact-channel inputs into Contact Information, and professional/survey inputs into Additional Fields
• Create Webinar and Update Webinar group email-notification inputs into Email Settings; Create Webinar also groups miscellaneous settings into Additional Fields
• Get Webinars groups page and size inputs into Pagination and time-range inputs into Date Range; Fetch All stays a top-level toggle
• List Registrants groups page and limit inputs into Pagination

Various modernizations and documentation updates

Added the New Registrants polling trigger, which checks a webinar for registrants added since the last run

Updated spectral version

Added global debug support across all actions for improved troubleshooting

Added inline data source for registrants to enable dynamic dropdown selection

Enhanced webhook lifecycle management with improved user subscription trigger handling and automated cleanup

Initial release of GoTo Webinar component with comprehensive webinar management, attendee tracking, and user subscription capabilities