[IMP] mail, *: move up model files

Move model definition files from `models/thing/thing.js` to
`models/thing.js` and remove the now empty intermediate directory.

Task-2759582
 * = calendar, crm_livechat, hr, im_livechat, mail_bot, sms, snailmail,
     website_livechat, website_slides

closes odoo/odoo#86464

Related: odoo/enterprise#25291
Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail_bot/__manifest__.py

@@ -21,17 +21,17 @@
     ],
     'assets': {
         'mail.assets_discuss_public': [
-            'mail_bot/static/src/models/*/*.js',
+            'mail_bot/static/src/models/*.js',
         ],
         'web.assets_backend': [
-            'mail_bot/static/src/models/*/*.js',
+            'mail_bot/static/src/models/*.js',
             'mail_bot/static/src/scss/odoobot_style.scss',
         ],
         'web.tests_assets': [
-            'mail_bot/static/tests/**/*',
+            'mail_bot/static/tests/helpers/*.js',
         ],
         'web.qunit_suite_tests': [
-            'mail_bot/static/src/models/*/tests/*.js',
+            'mail_bot/static/tests/*.js',
         ],
     },
     'license': 'LGPL-3',

addons/mail_bot/static/src/models/messaging_initializer.js

@@ -2,7 +2,7 @@
 
 import { addRecordMethods, patchRecordMethods } from '@mail/model/model_core';
 // ensure that the model definition is loaded before the patch
-import '@mail/models/messaging_initializer/messaging_initializer';
+import '@mail/models/messaging_initializer';
 
 addRecordMethods('MessagingInitializer', {
     /**