Upgrade tests tools and lint migrations and scripts (part 2) (#9998)

* upgrade gulp-babel

* upgrade babel-eslint

* upgrade eslint-friendly-formatter

* start upgrading chai

* start to upgrade eslint

* restore skipped tests

* start to upgrqde monk

* fix linting and remove unused file

* fix mocha notifications, and common tests

* fix unit tests

* start to fix initrgration tests

* more integration tests fixes

* upgrade monk to latest version

* lint /scripts

* migrations: start moving to /archive unused migrations and run eslint with --fix

* lint migrations

* fix more integration tests

* fix test

website/server/controllers/api-v3/i18n.js

@@ -13,11 +13,11 @@ function geti18nBrowserScript (language) {
   return `(function () {
     if (!window) return;
     window['habitica-i18n'] = ${JSON.stringify({
-      availableLanguages,
-      language,
-      strings: translations[langCode],
-      momentLang: momentLangs[language.momentLangCode],
-    })};
+    availableLanguages,
+    language,
+    strings: translations[langCode],
+    momentLang: momentLangs[language.momentLangCode],
+  })};
   })()`;
 }