Fix resolution of Kotlin enums' values() and valueOf() from Java

Use the code from PsiClassImpl / ClsClassImpl, which for some reason is absent
in AbstractLightClass

 #KT-5591 Fixed

idea/testData/kotlinAndJavaChecker/EnumAutoGeneratedMethods.java

@@ -0,0 +1,8 @@
+package test;
+
+class EnumAutoGeneratedMethods {
+    void foo() {
+        TestEnum.values();
+        assert TestEnum.valueOf("first") == TestEnum.first;
+    }
+}