Sourcemaps.io seems to not handle Typescript Decorators like `@`. SaaS Customer wrote in and would like to see support for this <img width="712" alt="Screenshot 2023-03-07 at 2 39 04 PM" src="https://user-images.githubusercontent.com/96670625/223534549-4803f355-d372-4c1e-9265-ca2ada80de34.png">