Pass getListenerId call on to delegate

See gh-26638

Author: jhoeller

spring-context/src/main/java/org/springframework/context/event/GenericApplicationListenerAdapter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -64,6 +64,11 @@ public void onApplicationEvent(ApplicationEvent event) {
 		this.delegate.onApplicationEvent(event);
 	}
 
+	@Override
+	public String getListenerId() {
+		return this.delegate.getListenerId();
+	}
+
 	@Override
 	@SuppressWarnings("unchecked")
 	public boolean supportsEventType(ResolvableType eventType) {

spring-context/src/main/java/org/springframework/context/event/SourceFilteringListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -74,6 +74,11 @@ public void onApplicationEvent(ApplicationEvent event) {
 		}
 	}
 
+	@Override
+	public String getListenerId() {
+		return (this.delegate != null ? this.delegate.getListenerId() : "");
+	}
+
 	@Override
 	public boolean supportsEventType(ResolvableType eventType) {
 		return (this.delegate == null || this.delegate.supportsEventType(eventType));