Odoo Release Updates

[IMP] documents: remove `/` when downloading documents

[IMP] documents{_spreadsheet}: improve activity view

[MOV] documents: prepare fixing actions in activity view

[FIX] documents: restrict unfold of folders.

[FIX] documents: use an actual folder for Inbox KPI

[IMP] document,sign: adapt code for the update of PDF.js

[REF] *: use ir.config_parameter new API get_xxx, set_xxx

[IMP] base,all: remove deprecated 't-esc' ir.qweb directive

[IMP] documents: add delay before expanding folders during drag and drop

[IMP] documents: add breadcrumbs back to previous view

[IMP] orm: query.table is now an SQL table alias

[REF] *: cleanup legacy test helpers

[IMP] documents: fix inverse of is_favorited

[FIX] documents: losing file permission

[FIX] documents: show alias management section in details panel

[FIX] documents: fix add document attachment

[IMP] documents: show all available models

[FIX] documents: fix new folder in All

[FIX] documents: fix members deletion on moving documents

[IMP] web: revamp of the notification

[FIX] documents: fix add attachments from documents in composer

[IMP] documents: improve the responsiveness of the cogwheel