[KLIB] Fix references to private top-level typealias via type abbreviation

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/KotlinMangler.kt

@@ -58,6 +58,10 @@ abstract class KotlinManglerImpl : KotlinMangler {
 
         if (declaration.isPlatformSpecificExported()) return true
 
+        if (declaration is IrTypeAlias && declaration.parent is IrPackageFragment) {
+            return true
+        }
+
         if (descriptorAnnotations.hasAnnotation(publishedApiAnnotation)) {
             return true
         }