Fix type of member references without explicit class on LHS

Type of '::foo' for a function foo in a class A should be KFunction0<Unit>, not
KFunction1<A, Unit>. Continue to report an error in this case, to be maybe
supported in the future

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/smart/Utils.kt

@@ -248,7 +248,9 @@ private fun MutableCollection<LookupElement>.addLookupElementsForNullable(factor
 
 fun CallableDescriptor.callableReferenceType(resolutionFacade: ResolutionFacade): FuzzyType? {
     if (!CallType.CALLABLE_REFERENCE.descriptorKindFilter.accepts(this)) return null // not supported by callable references
-    return getReflectionTypeForCandidateDescriptor(this, resolutionFacade.getFrontendService(ReflectionTypes::class.java))?.toFuzzyType(emptyList())
+    return getReflectionTypeForCandidateDescriptor(
+            this, resolutionFacade.getFrontendService(ReflectionTypes::class.java), false
+    )?.toFuzzyType(emptyList())
 }
 
 enum class SmartCompletionItemPriority {