fix(Kotlin/JS IR): nested comments in implicit export.

js/js.translator/testData/typescript-export/implicitExport/declarations.d.ts

@@ -31,5 +31,11 @@ declare namespace JS_TESTS {
         class F extends foo.A /* implements foo.NonExportedInterface */ {
             constructor();
         }
+        class G /* implements foo.NonExportedGenericInterface<foo.NonExportedType> */ {
+            constructor();
+        }
+        class H /* extends foo.NonExportedGenericType<foo.NonExportedType> */ {
+            constructor();
+        }
     }
 }

js/js.translator/testData/typescript-export/implicitExport/declarations.kt

@@ -9,7 +9,9 @@
 package foo
 
 interface NonExportedInterface
+interface NonExportedGenericInterface<T>
 open class NonExportedType(val value: Int)
+open class NonExportedGenericType<T>(val value: T)
 
 @JsExport
 interface ExportedInterface
@@ -44,4 +46,10 @@ class D : NonExportedInterface, ExportedInterface
 class E : NonExportedType(42), ExportedInterface
 
 @JsExport
-class F : A(NonExportedType(42)), NonExportedInterface
+class F : A(NonExportedType(42)), NonExportedInterface
+
+@JsExport
+class G : NonExportedGenericInterface<NonExportedType>
+
+@JsExport
+class H : NonExportedGenericType<NonExportedType>(NonExportedType(42))