Use ResolvedCall for callable reference in KCallableNameProperty intrinsic

Instead of manually inspecting the DOUBLE_COLON_LHS slice, which is a
bit more error-prone. Note that new tests were passing before this
change

compiler/testData/codegen/box/callableReference/bound/kCallableNameIntrinsic.kt

@@ -2,7 +2,15 @@ fun box(): String {
     var state = 0
     val name = (state++)::toString.name
     if (name != "toString") return "Fail 1: $name"
-    if (state != 1) return "Fail 2: $state"
+
+    val name2 = with(state++) {
+        ::toString.name
+        ::toString.name
+        ::toString.name
+    }
+    if (name2 != "toString") return "Fail 2: $name2"
+
+    if (state != 2) return "Fail 3: $state"
 
     return "OK"
 }