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/Test.java

@@ -0,0 +1,16 @@
+class Test {
+    String test() {
+        String s;
+
+        s = Klass.NAME;
+        if (!s.equals("Klass")) throw new AssertionError("Fail class: " + s);
+
+        s = Trait.NAME;
+        if (!s.equals("Trait")) throw new AssertionError("Fail trait: " + s);
+
+        s = Enoom.NAME;
+        if (!s.equals("Enoom")) throw new AssertionError("Fail enum: " + s);
+
+        return "OK";
+    }
+}

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()