feat: request - do not pluck data out but return full response

[divyenduz]

This enables binding.request function to:-

1. Pass GraphQL error to binding.request function callee
2. Support multiple top-level queries with binding.request function

Partially fixes: prisma-labs/prisma-binding#182

[simonjoom]

Hello i think i found same problem with this 'data' when i used subscription:
Related to:
prisma-labs/prisma-binding#229 (comment)

In Delegate
need to change [info.fieldName] = data.value[fieldName]
to [info.fieldName] = value[fieldName]

Applied this my subscriptions work with the last prisma-binding.