SCSt. Beyond: Consumer Error Handling - Clarify Binding Specific Error Handler Exit

[Mrc0113]

Spring Cloud Stream - Beyond the Basics
Remove "This point is questionable" note if this gets resolved. Or if it is expected to stay then update this guidance.

Here is an example of binding-specific error handler function. If your binding specific error handler exits successfully then the binder will acknowledge/accept the message back to the broker, if an exception is thrown then the binder error handling process will kick in. Note that if you are using Client/Manual acknowledgements you can also use them in the binding specific error handler. [NOTE: This point is questionable]