[MERGE] forward port branch 10.0 up to cb1cfadd

addons/calendar/models/calendar.py

addons/calendar/tests/test_calendar.py

addons/l10n_nl/data/account_account_tag.xml

addons/project/views/project_views.xml

addons/sale/models/sale.py

addons/web/static/src/js/views/search_menus.js

addons/website_mail_channel/controllers/main.py

...ite_mail_channel/views/website_mail_channel_templates.xml

doc/cla/corporate/equitania.md

doc/cla/corporate/quartile.md

doc/cla/corporate/sewisoft.md

doc/cla/corporate/syleam.md

doc/cla/corporate/tvtmarine-automation.md

doc/cla/corporate/vauxoo.md

doc/cla/corporate/xoe-corp.md

doc/cla/individual/bazemoreb.md

doc/cla/individual/blaggacao.md

doc/cla/individual/danger89.md

doc/cla/individual/hansmi.md

odoo/addons/base/res/res_currency_data.xml