Ensures that only adult passengers can pay for tickets in NDC
|APIs Affected:17.2 OrderCreate and 17 OrderChange|
This is to fix a bug where OrderCreate/OrderChange allows non-adult passenger (Child/Infant/YoungAdult) to be set as Payer while purchasing flight/ancillaries.
OrderCreate/OrderChange will return appropriate error when non-adult passenger is set as payer
|LOW - This will not impact any breaking change to the consumption of British Airways NDC APIs|
|Batch Release IT Ref:|
|COM9-30 - NDCD-281|