Put reference to default object in default object extenstion call

idea/testData/resolve/references/DefaultObjectAsExtensionReceiverForFunction.kt

@@ -0,0 +1,17 @@
+package t
+
+class A {
+    class object Default {
+
+    }
+}
+
+fun A.Default.foo() {}
+
+fun test() {
+    <caret>A.foo()
+}
+
+
+// REF: class object of (t).A
+