This PR adds the `add_guest_to_context` decorator in order to provide a generic
way to extract the guest from a request. It will be used to unified guest
extraction from cookie/param based on its provenance (external livechat/public
page).
This is better than the `pre_dispatch` method since it can be applied to
specific routes instead of adding this logic to every request.
part of task-3332628
closesodoo/odoo#130052
Signed-off-by: Matthieu Stockbauer (tsm) <tsm@odoo.com>
tsm-odoo
cdc35aed74