[IMP] mail, *: make mail module's beforeEach functions async

*: calendar, hr, hr_holidays, im_livechat, note, sms, snailmail,
website_livechat, website_slides.

This commit prepares the ground for the model definitions PR.
In order to reduce the noise, all mail module's beforeEach
functions will be made async.

task-2767820

closes odoo/odoo#84845

Related: odoo/enterprise#24489
Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>

addons/note/static/tests/systray_activity_menu_tests.js

@@ -7,8 +7,8 @@ import testUtils from 'web.test_utils';
 
 QUnit.module('note', {}, function () {
 QUnit.module("ActivityMenu", {
-    beforeEach() {
-        beforeEach(this);
+    async beforeEach() {
+        await beforeEach(this);
 
         Object.assign(this.data, {
             'mail.activity.menu': {