Apply vue ls updates to vue test project

Let's use the recommended ES modules in the vue test app.

Author: akurtakov

org.eclipse.wildwebdeveloper.tests/testProjects/vue-app/babel.config.js

@@ -1,5 +1,3 @@
-module.exports = {
-  presets: [
+export const presets = [
     '@vue/cli-plugin-babel/preset'
-  ]
-}
+];

org.eclipse.wildwebdeveloper.tests/testProjects/vue-app/vue.config.js

@@ -1,4 +1,4 @@
-const { defineConfig } = require('@vue/cli-service')
-module.exports = defineConfig({
+import { defineConfig } from '@vue/cli-service'
+export default defineConfig({
   transpileDependencies: true
 })