[MIG] web_responsive: Migration to 16.0

Fix for optional dropdown checkbox in list view

Made Changes for compatibility with web_chatter_position module

Fix for attachment delete dialog

web_responsive/tests/__init__.py

@@ -1 +0,0 @@
-from . import test_res_users

web_responsive/tests/test_res_users.py

@@ -1,14 +0,0 @@
-# Copyright 2018 Alexandre Díaz
-# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
-
-from odoo.tests import common
-
-
-class TestResUsers(common.TransactionCase):
-    def test_chatter_position_wr(self):
-        user_public = self.env.ref("base.public_user")
-        user_public = user_public.with_user(user_public)
-
-        self.assertEqual(user_public.chatter_position, "sided")
-        user_public.write({"chatter_position": "normal"})
-        self.assertEqual(user_public.chatter_position, "normal")