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/bytecodeText/callableReference/nameIntrinsicWithImplicitThis.kt

@@ -0,0 +1,9 @@
+class Foo {
+    fun bar(): String {
+        return ::bar.name
+    }
+}
+
+// We can avoid loading (and then immediately popping) implicit "this" when generating intrinsified bytecode for KCallable.name
+// because this can't have any side effects
+// 0 POP