To allow to search records having "done" activity (archived) assigned to
someone, we have modified the search method of the field activity_user_id (in
the activity mixin) so that it matches also responsible of archived activities.
This field is mainly used when coming from the systray to display user
activities including "done" ones but could be also used in custom filters.
We have also modified the default domain when fetching record for the activity
view so that it matches records having at least one activity, archived or not.
This prevents to load more records than necessary to display the activity view.
We also adapt the test accordingly.
Task-3300854
Part-of: odoo/odoo#138135
Pierre-Yves Dufays
5f4add917a