[MIG] website_quote: migrate to new api

addons/website_quote/controllers/main.py

addons/website_quote/data/website_quotation_data.xml

addons/website_quote/data/website_quotation_demo.xml

addons/website_quote/models/product_template.py

addons/website_quote/models/sale_order.py

addons/website_quote/models/sale_quote.py

addons/website_quote/report/sale_order_reports.xml

addons/website_quote/report/sale_order_templates.xml

addons/website_quote/report/website_quote_templates.xml

addons/website_quote/views/sale_order_views.xml

addons/website_quote/views/sale_quote_views.xml

addons/website_quote/views/website_quote_templates.xml