Add the possibility for portal users to manage API keys
in the frontend portal interface.
- Allow for portal users to manage their API keys if the system parameter
`portal.allow_api_keys` is set.
A settting in `res.config.settings` is added in order
to enable or disable the feature (to add/remove the system parameter)
through a compute field,
to avoid adding a new database column in standard
(as this revision targets stable 15.0).
The setting appear only in debug mode.
- Display the API keys in the portal in debug mode only
(as in the back-end for regular users, in their profile)
- The flow in the frontend is a mimic of the flow from the backend,
the wording and the look and feel is from the back-end.
closesodoo/odoo#86915
Signed-off-by: Denis Ledoux (dle) <dle@odoo.com>