[java-inspections] NullableNotNullManager: prefer container annotation over inherited for methods

Part of IDEA-359811

GitOrigin-RevId: 530af5840eedbd35c1f247381781c4ebc128b25b

java/java-tests/testData/inspection/dataFlow/fixture/JetBrainsNotNullByDefault.java

@@ -73,7 +73,7 @@ public class JetBrainsNotNullByDefault {
 
     @Override
     public String get() {
-      return null;
+      return <warning descr="'null' is returned by the method declared as @NotNullByDefault">null</warning>;
     }
   }
 }