Extract Function: In case of top-level and member declarations place extracted function after the original container

idea/testData/refactoring/extractFunction/parameters/extractThis/explicitThisInMember.kt.after

@@ -2,11 +2,7 @@ public open class Z {
     val z: Int = 0
 }
 
-// NEXT_SIBLING:
-fun i(a1: A, b1: A.B): Int {
-    return a1.a + b1.b + b1.z
-}
-
+// SIBLING:
 public class A(): Z() {
     var a: Int = 1
 
@@ -18,3 +14,7 @@ public class A(): Z() {
         }
     }
 }
+
+fun i(a1: A, b1: A.B): Int {
+    return a1.a + b1.b + b1.z
+}