Odoo Release Updates

[IMP] *: remove unnecessary button "Discard" labels

[IMP] mail, various: update tracking tests

[IMP] *: rename "Cancel" to "Discard"

[IMP] mail,*: remove MailThreadCC

[FIX] documents: issue when creating a new folder and performing any operation

[IMP] web: edit_tags_list

[IMP] documents(_spreadsheet): add markdown preview

[FIX] documents: Correctly display the thumbnail of XML invoices received via Peppol.

[IMP] documents: improve manage versions modal

[FIX] documents: fix document list view visibility

[FIX] documents: fix first view of subfolders with access token

[REF] documents: move to web the generatePdfThumbnail method

[FIX] documents: restore sub-folders in the searchpanel

[IMP] documents: make tests with error dialogs more robust

[IMP] *: fields.Binary returns BinaryValue

[FIX] documents: hide action icons in folder selection dialogs

[CLN] documents: hide action icons in folder selection dialogs

[FIX] documents: load custom views for documents from activity systray

[FIX] documents: fix access rights labels in setting

[IMP] documents,stock_barcode,test_l10n_be_hr_payroll_account: Make the logout route POST only

[FIX] documents: fix documents child_of

[FIX] documents: fix share panel helpers

[IMP] *: Remove the old syntax of t-call (cleanup)

[FIX] documents: fix action_allow_link_access in share wizard

[FIX] documents: resolve issues with the folder duplication feature

[REF] *: cleanup ControlPanel buttons management

[REF] documents: replace `user_folder_id`'s `child_of` search op

[IMP] orm: use SQL alias for Model._order_to_sql

[IMP] orm: use SQL alias for Field.compute_sql

[FIX] documents_spreadsheet: don't show more than one error