findAnnotationOnBean only falls back to bean class in case of no factory method

Most importantly, static @Bean methods do not expose their @Configuration class-level annotations anymore, aligned with the behavior for non-static @Bean methods.

Closes gh-28298

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -745,7 +745,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 		if (containsBeanDefinition(beanName)) {
 			RootBeanDefinition bd = getMergedLocalBeanDefinition(beanName);
 			// Check raw bean class, e.g. in case of a proxy.
-			if (bd.hasBeanClass()) {
+			if (bd.hasBeanClass() && bd.getFactoryMethodName() == null) {
 				Class<?> beanClass = bd.getBeanClass();
 				if (beanClass != beanType) {
 					MergedAnnotation<A> annotation =