Hide stageController into the IrFactory

compiler/cli/cli-js-klib/src/GenerateJsIrKlib.kt

@@ -88,7 +88,7 @@ fun buildKLib(
         configuration = configuration,
         allDependencies = allDependencies,
         friendDependencies = emptyList(),
-        irFactory = PersistentIrFactory,
+        irFactory = PersistentIrFactory(), // TODO: IrFactoryImpl?
         outputKlibPath = outputPath,
         nopack = true
     )

compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt

@@ -199,7 +199,7 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
                 configuration = config.configuration,
                 allDependencies = resolvedLibraries,
                 friendDependencies = friendDependencies,
-                irFactory = PersistentIrFactory,
+                irFactory = PersistentIrFactory(), // TODO IrFactoryImpl?
                 outputKlibPath = outputFile.path,
                 nopack = arguments.irProduceKlibDir
             )