[IMP] crm, sale, sale_crm, website_sale: add activity view on main actions

Purpose is to extend the use of the newly-introduced activity view allowing
to see at a glance activities to perform on a given model. It eases daily
job of people working with activities.

Updated

  * CRM and Sale/CRM main menus: pipeline, leads, quotations;
  * Sales main menus: quotations, orders, to invoice/to upsell, products;
  * Website Sale: quotations, orders, to invoice, abandoned;

This commit is linked to task ID 1889413.