Update test data for tower resolution algorithm

- locals win
- unary calls to plus/minus are not supported in favor of unaryPlus/unaryMinus
- unqualified nested classes are temporarily reported as unresolved
- function without receiver win against extension function
- explicit import win against star import

compiler/testData/diagnostics/tests/callableReference/function/extensionInClassDisallowed.kt

@@ -10,6 +10,6 @@ class A {
 }
 
 fun main() {
-    A::<!MISSING_RECEIVER, EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED!>extInt<!>
-    A::<!MISSING_RECEIVER, EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED!>extA<!>
+    A::<!UNRESOLVED_REFERENCE!>extInt<!>
+    A::<!UNRESOLVED_REFERENCE!>extA<!>
 }