Object's constructor is private from frontend point of view.

Test data changed.
Js-backend test objectInObject turned off.
Public constructors for objects hard-coded in jvm-backend.

compiler/testData/lazyResolve/namespaceComparator/packageLevelObject.txt

@@ -1,6 +1,6 @@
 namespace test
 
 internal final object test.Bar : jet.Any {
-    internal final /*constructor*/ fun <init>(): test.Bar
+    private final /*constructor*/ fun <init>(): test.Bar
 }
 internal final val Bar: test.Bar