Resolve invoke on class objects and enum entries

Added FakeCallableDescriptorForObject to make a resolved call
with object as variable in 'variable as function call'

 #KT-4321 Fixed
 #KT-4863 Fixed

compiler/testData/resolvedCalls/invoke/invokeOnClassObject2.txt

@@ -0,0 +1,20 @@
+class A {
+    class object {
+        fun invoke(i: Int) = i
+    }
+}
+
+fun test() = A<caret>(1)
+
+
+Resolved call:
+
+Resulting descriptor: fun invoke(i: Int): Int
+
+Explicit receiver kind = THIS_OBJECT
+This object = A {<class-object-for-A>}
+Receiver argument = NO_RECEIVER
+
+Value arguments mapping:
+
+SUCCESS  i : Int = 1