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.kt

@@ -0,0 +1,5 @@
+package test
+
+enum class TestEnum {
+    first second third
+}