Move properties of enum class object to the enum class

Similar to how it's done for usual classes

compiler/testData/codegen/box/enum/classObjectInEnum.kt

@@ -11,7 +11,7 @@ enum class Game {
 
 fun box(): String {
     if (Game.foo() != Game.ROCK) return "Fail 1"
-    // TODO: fix initialization order and uncomment
+    // TODO: fix initialization order and uncomment (KT-5761)
     // if (Game.bar != Game.PAPER) return "Fail 2: ${Game.bar}"
     if (Game.values().size != 3) return "Fail 3"
     if (Game.valueOf("SCISSORS") != Game.SCISSORS) return "Fail 4"

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()