Report special diagnostic when fake-call receiver is nullable

#KT-3602 Fixed

compiler/testData/diagnostics/tests/dataClasses/extensionComponentsOnNullable.kt

@@ -7,7 +7,7 @@ operator fun <T> Data<T>.component2() = y
 fun foo(): Int {
     val d: Data<Int>? = null
     // An error must be here
-    val (x, y) = <!COMPONENT_FUNCTION_MISSING, COMPONENT_FUNCTION_MISSING!>d<!>
+    val (x, y) = <!COMPONENT_FUNCTION_ON_NULLABLE, COMPONENT_FUNCTION_ON_NULLABLE!>d<!>
     return x + y
 }
 
@@ -16,6 +16,6 @@ data class NormalData<T>(val x: T, val y: T)
 fun bar(): Int {
     val d: NormalData<Int>? = null
     // An error must be here
-    val (x, y) = <!COMPONENT_FUNCTION_MISSING, COMPONENT_FUNCTION_MISSING!>d<!>
+    val (x, y) = <!COMPONENT_FUNCTION_ON_NULLABLE, COMPONENT_FUNCTION_ON_NULLABLE!>d<!>
     return <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>x<!> <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>+<!> <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>y<!>
 }