[MERGE] forward port branch 11.0 up to 350973ff

addons/board/static/src/js/dashboard.js

addons/calendar/data/calendar_data.xml

addons/calendar/i18n/calendar.pot

addons/calendar/models/calendar.py

addons/crm/models/crm_lead.py

addons/fleet/i18n/fleet.pot

addons/fleet/models/fleet_vehicle.py

addons/fleet/models/fleet_vehicle_cost.py

addons/fleet/views/fleet_vehicle_views.xml

addons/hr/models/mail_alias.py

addons/hr/models/mail_thread.py

addons/hr_expense/models/hr_expense.py

addons/hr_timesheet_attendance/models/hr_timesheet_sheet.py

addons/mail/controllers/bus.py

addons/mail/i18n/mail.pot

addons/mail/models/mail_activity.py

addons/mail/models/mail_alias.py

addons/mail/models/mail_message.py

addons/mail/models/mail_thread.py

addons/mail/models/res_partner.py