feat: Replace Vue.extend with defineComponent in design system (no-changelog) (#5918)

* refactor: replace new Vue() with custom event bus (no-changelog)

* fix: export types from design system main

* fix: update component types

* fix: update form inputs event bus

* refactor: replace global Vue references in design-system

* refactor: update prop types

* feat: improve types

* fix: further type improvements

* fix: further types improvements

* fix: further type improvements

* test: fix test snapshots

* test: fix snapshot

* chore: fix linting issues

* test: fix personalization modal snapshot

packages/design-system/src/locale/format.js

@@ -11,7 +11,7 @@ const RE_NARGS = /(%|)\{([0-9a-zA-Z_]+)\}/g;
  *    https://github.com/ElemeFE/element/blob/dev/src/locale/format.js
  *    https://github.com/Matt-Esch/string-template/index.js
  */
-export default function (Vue) {
+export default function () {
 	/**
 	 * template
 	 *

packages/design-system/src/locale/index.js

@@ -1,12 +1,11 @@
 import defaultLang from '../locale/lang/en';
-import Vue from 'vue';
 import Format from './format';
 
 import ElementLocale from 'element-ui/lib/locale';
 import ElementLang from 'element-ui/lib/locale/lang/en';
 ElementLocale.use(ElementLang);
 
-const format = Format(Vue);
+const format = Format();
 let lang = defaultLang;
 
 let i18nHandler;