[pinpoint-apm#9206] Backport: Fix rabbitMQ consumer handle interceptor

plugins/rabbitmq/src/main/java/com/navercorp/pinpoint/plugin/rabbitmq/client/interceptor/RabbitMQConsumerHandleCompleteInboundCommandInterceptor.java

@@ -122,6 +122,7 @@ public void after(Object target, Object[] args, Object result, Throwable throwab
         }
         if (!trace.canSampled()) {
             traceContext.removeTraceObject();
+            return;
         }
         try {
             SpanEventRecorder recorder = trace.currentSpanEventRecorder();