Use Application as target for generated code

Closes gh-31274

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/AotProcessor.java

@@ -147,7 +147,8 @@ public class AotProcessor {
 		ApplicationContextAotGenerator generator = new ApplicationContextAotGenerator();
 		ClassName generatedInitializerClassName = generationContext.getClassNameGenerator()
 				.generateClassName(this.application, "ApplicationContextInitializer");
-		generator.generateApplicationContext(applicationContext, generationContext, generatedInitializerClassName);
+		generator.generateApplicationContext(applicationContext, this.application, "", generationContext,
+				generatedInitializerClassName);
 		registerEntryPointHint(generationContext, generatedInitializerClassName);
 		generationContext.writeGeneratedContent();
 		writeHints(generationContext.getRuntimeHints());

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/AotProcessorTests.java

@@ -109,6 +109,12 @@ class AotProcessorTests {
 			assertThat(directory.resolve(
 					"source/org/springframework/boot/AotProcessorTests_SampleApplication__ApplicationContextInitializer.java"))
 							.exists().isRegularFile();
+			assertThat(directory.resolve(
+					"source/org/springframework/boot/AotProcessorTests_SampleApplication__BeanDefinitions.java"))
+							.exists().isRegularFile();
+			assertThat(directory.resolve(
+					"source/org/springframework/boot/AotProcessorTests_SampleApplication__BeanFactoryRegistrations.java"))
+							.exists().isRegularFile();
 			assertThat(directory.resolve("resource/META-INF/native-image/com.example/example/reflect-config.json"))
 					.exists().isRegularFile();
 			Path nativeImagePropertiesFile = directory