Odoo Release Updates

[FIX] event: do not send attendee mails after event end

[FIX] html_editor: fix non-deterministic test timeout

[FIX] website: re-adapt extra menu on size changes of menu and navbar

[FIX] website: move selection with menu when auto-hiding menus

[FIX] account: allow forcing a move on payment creation

[FIX] mass_mailing: fix html_editor test helpers not present in single app

[CLN] website_sale: split data files

[FIX] hr_attendance: auto-checkout on different date

[FIX] mail: change canned response master and demo data

[FIX] spreadsheet: group by reference field

[FIX] sale: allow moving combo lines when unsaved

[IMP] stock: improve the help message and string of fields

[IMP] stock, product: back to basics usability improvements

[MOV] website_sale: move qweb templates into specific folder

[FIX] website_sale_stock: prevent traceback when quantity snippet is removed

[FIX] website: maintain offset on field edit

[FIX] l10n_my_edi: myinvois cleanup fixes

[IMP] mail, portal, *: enable emoji suggestions in portal chatter

[IMP] mail: move can_react back to thread_model

[FIX] project_purchase: properly handle partial billing in profitability

[FIX] hr: fix false line in employee resume

[IMP] pos: generic customer account settlement in tour.

[FIX] html_builder: enable "On Hover" animation for images with shapes

[IMP] maintenance: remove calendar menu & Request Date field

[FIX] web: mock many2one_reference

[FIX] spreadsheet: group by many2one_reference

[FIX] html_builder: ensure custom text in gradient picker is visible

[IMP] website_event_sale: fix the submit button's label when free tickets and public user

[IMP] website_event_sale: hide the "Sign In" button on the "No available seats" modal

[FIX] core: typo in write docstring