v3/integrations/nrpkgerrors: support errorAttributer interface

[eightnoteight]

currently nrpkgerrors supports errorClasser even though pkg/errors doesn't support errorClasser. I'm assuming that this is done so that any extensions on top of pkg/errors that add support for errorClasser will continue to work with nrpkgerrors.Wrap as well.

but unfortunately the same is not true for errorAttributer interface. nrpkgerrors wraps the error but if that error supports errorAttributer then that information would get lost.

Desired Behaviour

if any error that supports errorAttributer interface is wrapped by nrpkgerrors.Wrap then the final wrapped error should also support errorAttributer interface.

Possible Solution

add a call to a helper function below this line here that checks if the incoming error supports errorAttributer interface, if so then use the attributes given by that error.

[RichVanderwal]

HI @eightnoteight , thanks for your thorough description and solution suggestion! I'll make sure our Product Managers sees this so we can help prioritize our product roadmap for next year.