Feature: new "report a bug" modal (#13530)

* WIP: report a bug api/ui

* fix lint

* add USER_USERNAME

* extend sendTxn tests / checks + fix bug report email

* fix lint

* add more checks to sendTxn - fix bug-report variables

* fix lint / ci

* fix test: reset email config url

* fix test stub

* fix tests

* refactor the variables checks

* lint.

* move bug-report page as a modal

* send user_email to the email

* show true/false instead 1/0

* fix issues

* fix footer report bug email if not logged in

* fix styles/margins

* prefill user's email

* show facebook email if local email not existing

* bugReportSuccessModal.vue

* add BROWSER_UA to mail properties

* extract bugReportLogic to its own lib file for unit test

* test api validators

* fix lint

website/client/src/app.vue

@@ -33,6 +33,8 @@
       <payments-success-modal />
       <sub-cancel-modal-confirm v-if="isUserLoaded" />
       <sub-canceled-modal v-if="isUserLoaded" />
+      <bug-report-modal v-if="isUserLoaded" />
+      <bug-report-success-modal v-if="isUserLoaded" />
       <snackbars />
       <router-view v-if="!isUserLoggedIn || isStaticPage" />
       <template v-else>
@@ -177,6 +179,10 @@ import {
   removeLocalSetting,
 } from '@/libs/userlocalManager';
 
+const bugReportModal = () => import(/* webpackChunkName: "bug-report-modal" */'@/components/bugReportModal');
+const bugReportSuccessModal = () => import(/* webpackChunkName: "bug-report-success-modal" */'@/components/bugReportSuccessModal');
+
+
 const COMMUNITY_MANAGER_EMAIL = process.env.EMAILS_COMMUNITY_MANAGER_EMAIL; // eslint-disable-line
 
 export default {
@@ -196,6 +202,8 @@ export default {
     paymentsSuccessModal,
     subCancelModalConfirm,
     subCanceledModal,
+    bugReportModal,
+    bugReportSuccessModal,
   },
   mixins: [notifications, spellsMixin],
   data () {