Fixes: #8893
Simplify the target flows logic for `ExpressionEvaluatingRequestHandlerAdvice.failureChannel`
when no exception is re-thrown and target flow would like to produce a reply.
Currently, there is need in extra logic like `.enrichHeaders(e -> e.replyChannelExpression("payload.failedMessage.headers[replyChannel]"))`
* Copy failed `Message` headers into an `ErrorMessage` before sending it into the `failureChannel` from the `ExpressionEvaluatingRequestHandlerAdvice`
34bdff04c4