Extract Function: Limit the set of allowed containers for the default action

idea/testData/refactoring/extractFunction/defaultContainer/anonymousObject.kt

@@ -0,0 +1,9 @@
+class A {
+    fun foo(a: Int, b: Int): Int {
+        return object: Function0<Int> {
+            override fun invoke(): Int {
+                return <selection>a + b - 1</selection>
+            }
+        }
+    }
+}