Rendering annotations and visibility for class object.

Don't render modality for any object kind.

idea/testData/libraries/decompiled/Color.kt

@@ -4,7 +4,7 @@
 package testData.libraries
 
 [[public final enum class Color(rgb : jet.Int) : jet.Enum<testData.libraries.Color> {
-    class object {
+    public class object {
         [public final val BLUE : testData.libraries.Color] /* compiled code */
 
         [public final val GREEN : testData.libraries.Color] /* compiled code */

idea/testData/libraries/decompiled/WithInnerAndObject.kt

@@ -4,7 +4,7 @@
 package testData.libraries
 
 [[public final class WithInnerAndObject() {
-    class object {
+    public class object {
         [internal final fun foo() : Unit { /* compiled code */ }]
     }
 

idea/testData/libraries/decompiled/WithTraitClassObject.kt

@@ -4,6 +4,6 @@
 package testData.libraries
 
 [[public final class WithTraitClassObject() {
-    class object : testData.libraries.SimpleTrait {
+    public class object : testData.libraries.SimpleTrait {
     }
 }]]