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

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

@@ -1,10 +1,10 @@
 class Z(val a: Int)
 
-// NEXT_SIBLING:
-fun Z.i(): Int {
-    return a
-}
-
+// SIBLING:
 fun Z.foo(): Int {
     return i() + 1
 }
+
+fun Z.i(): Int {
+    return a
+}