Changes to Create Stripe billing management session

removed the required property source/sourceType from the response with the 400 status

removed the required property source/sourceType from the response with the 401 status

removed the required property source/sourceType from the response with the 404 status

removed the required property source/sourceType from the response with the 422 status

removed the required property source/sourceType from the response with the 500 status

added the required property source/type to the response with the 400 status

added the required property source/type to the response with the 401 status

added the required property source/type to the response with the 404 status

added the required property source/type to the response with the 422 status

added the required property source/type to the response with the 500 status