What does this PR do?

• Add dynamic import service maps for calendars, videos, and payments

• Generate CalendarServiceMap, VideoAdapterMap, and PaymentServiceMap

• Update core loading functions to use lazy loading

• Optimize bundle size and improve page load performance

• Add constants file for service configuration

• Fixes #23104 (GitHub issue number)

• Fixes CAL-6255 (Linear issue number - should be visible at the bottom of the GitHub issue description)

Video Demo (if applicable):

https://github.com/user-attachments/assets/8fe0e3f6-eb0c-417e-a772-5fbb75dcce4f

Image Demo (if applicable):

before: after:

/claim #23104