Move properties of enum class object to the enum class

Similar to how it's done for usual classes

compiler/testData/codegen/boxWithJava/properties/classObjectProperties/classObjectProperties.kt

@@ -0,0 +1,19 @@
+class Klass {
+    class object {
+        val NAME = "Klass"
+    }
+}
+
+trait Trait {
+    class object {
+        val NAME = "Trait"
+    }
+}
+
+enum class Enoom {
+    class object {
+        val NAME = "Enoom"
+    }
+}
+
+fun box() = Test().test()