Fix binary compatibility for SmartApplicationListener

Making sure that `GenericApplicationListenerAdapter` implements
`SmartApplicationListener` again as older code may try to cast an
instance to `SmartApplicationListener`.

Issue: SPR-8201

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

@@ -32,7 +32,7 @@ import org.springframework.util.Assert;
  * @since 3.0
  * @see org.springframework.context.ApplicationListener#onApplicationEvent
  */
-public class GenericApplicationListenerAdapter implements GenericApplicationListener {
+public class GenericApplicationListenerAdapter implements GenericApplicationListener, SmartApplicationListener {
 
 	private final ApplicationListener<ApplicationEvent> delegate;
 
@@ -67,6 +67,11 @@ public class GenericApplicationListenerAdapter implements GenericApplicationList
 		}
 	}
 
+	@Override
+	public boolean supportsEventType(Class<? extends ApplicationEvent> eventType) {
+		return supportsEventType(ResolvableType.forType(eventType));
+	}
+
 	@Override
 	public boolean supportsSourceType(Class<?> sourceType) {
 		if (this.delegate instanceof SmartApplicationListener) {

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

@@ -33,7 +33,7 @@ import org.springframework.core.ResolvableType;
  * @author Stephane Nicoll
  * @since 2.0.5
  */
-public class SourceFilteringListener implements GenericApplicationListener {
+public class SourceFilteringListener implements GenericApplicationListener, SmartApplicationListener {
 
 	private final Object source;
 
@@ -77,6 +77,11 @@ public class SourceFilteringListener implements GenericApplicationListener {
 		return (this.delegate == null || this.delegate.supportsEventType(eventType));
 	}
 
+	@Override
+	public boolean supportsEventType(Class<? extends ApplicationEvent> eventType) {
+		return supportsEventType(ResolvableType.forType(eventType));
+	}
+
 	@Override
 	public boolean supportsSourceType(Class<?> sourceType) {
 		return (sourceType != null && sourceType.isInstance(this.source));