Fix not generating KotlinLightField for OBJECT$ and INSTANCE$ fields

Fix navigation from Java to such fields
Fix TODO in converter

idea/testData/resolve/referenceInJava/dependencies.kt

@@ -11,4 +11,14 @@ public enum class EnumClass {
 
 
 public fun topLevelFun() {
+}
+
+public class ClassWithClassObject {
+    class object {
+        fun f() = 1
+    }
+}
+
+public object KotlinObject {
+    fun f() = 1
 }