[MERGE] forward port branch 10.0 up to 90326171

addons/account/models/account_invoice.py

addons/account/models/res_config.py

addons/account/views/account_journal_dashboard_view.xml

...nt_bank_statement_import/account_bank_statement_import.py

addons/crm/wizard/base_partner_merge.py

addons/mrp/models/mrp_workorder.py

addons/mrp/views/mrp_workorder_views.xml

addons/payment_stripe/static/src/js/stripe.js

addons/point_of_sale/models/pos_session.py

addons/portal/wizard/portal_wizard.py

addons/product/models/product.py

addons/product/tests/__init__.py

addons/product/tests/test_seller.py

addons/website_event/static/src/js/website_event.js

addons/website_forum/models/forum.py

addons/website_livechat/controllers/main.py

addons/website_project_issue/models/project_issue.py

addons/website_sale/views/templates.xml

doc/cla/corporate/wt-io-it.md

doc/cla/individual/Zelwak.md