chore(migrate): apps/* to webpack5 (#9606)

apps/ui/nativescript.config.ts

@@ -2,10 +2,9 @@ import { NativeScriptConfig } from '@nativescript/core';
 
 export default {
 	id: 'org.nativescript.uitestsapp',
+	appPath: 'src',
 	appResourcesPath: '../../tools/assets/App_Resources',
-	webpackConfigPath: 'webpack.custom.config.js',
 	android: {
 		v8Flags: '--expose_gc',
-		markingMode: 'none',
 	},
 } as NativeScriptConfig;