[MERGE] forward port branch 11.0 up to 0b2dbbb3

addons/account/__init__.py

addons/account/models/account_payment.py

addons/delivery/models/sale_order.py

addons/delivery/views/delivery_view.xml

addons/l10n_ca/data/account_tax_data.xml

...s/l10n_de_skr03/data/account_tax_fiscal_position_data.xml

addons/l10n_de_skr03/data/l10n_de_skr03_chart_data.xml

...s/l10n_de_skr04/data/account_tax_fiscal_position_data.xml

addons/l10n_de_skr04/data/l10n_de_skr04_chart_data.xml

addons/point_of_sale/models/pos_order.py

addons/point_of_sale/static/src/js/models.js

addons/purchase/models/account_invoice.py

addons/stock_account/models/product.py

addons/website_sale/models/res_config_settings.py

requirements.txt

setup/win32/winpy_requirements.txt