[IR] update testdata: print class name for callable references without receivers

compiler/testData/ir/irText/expressions/callableReferences/funWithDefaultParametersAsKCallableStar.kt.txt

@@ -39,6 +39,6 @@ fun testVarargsStar() {
 }
 
 fun testCtorStar() {
-  useKCallableStar(fn = ::<init>)
+  useKCallableStar(fn = C::<init>)
 }
 

compiler/testData/ir/irText/expressions/callableReferences/genericMember.kt.txt

@@ -15,10 +15,10 @@ class A<T : Any?> {
 }
 
 val test1: KFunction1<A<String>, Unit>
-  field = ::foo
+  field = A::foo
   get
 
 val test2: KProperty1<A<String>, Int>
-  field = ::bar
+  field = A::bar
   get