SBFM issues with afterSingletonsInstantiated

Related to GH-2935. Ensure that afterSingletonsInstantiated is called
even when autoStartup is not enabled.

binders/kafka-binder/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/StreamsBuilderFactoryManager.java

@@ -102,10 +102,10 @@ public synchronized void start() {
 							this.kafkaStreamsBindingInformationCatalogue.getConsumerPropertiesPerSbfb();
 					final List<ConsumerProperties> consumerProperties = bindingServicePropertiesPerSbfb.get(streamsBuilderFactoryBean);
 					final boolean autoStartupDisabledOnAtLeastOneConsumerBinding = consumerProperties.stream().anyMatch(consumerProperties1 -> !consumerProperties1.isAutoStartup());
+					if (streamsBuilderFactoryBean instanceof SmartInitializingSingleton) {
+						((SmartInitializingSingleton) streamsBuilderFactoryBean).afterSingletonsInstantiated();
+					}
 					if (!autoStartupDisabledOnAtLeastOneConsumerBinding) {
-						if (streamsBuilderFactoryBean instanceof SmartInitializingSingleton) {
-							((SmartInitializingSingleton) streamsBuilderFactoryBean).afterSingletonsInstantiated();
-						}
 						streamsBuilderFactoryBean.start();
 						this.kafkaStreamsRegistry.registerKafkaStreams(streamsBuilderFactoryBean);
 					}