Odoo Release Updates

[IMP] event_sale: Do not confirm registrations for paid events when the sale is confirmed.

[IMP] spreadsheet: update o_spreadsheet to latest version

[IMP] hr_payroll: improve negative net transfer

[FIX] mail: mark messages as read when fetching mails

[IMP] website_sale_collect: allow selling when out of stock

[IMP] account, sale(_management): add section state widget

[FIX] spreadsheet_dashboard: fix dashboard UI alignment

[FIX] html_builder, *: set contenteditable attribute on correct elements

[FIX] mail: prevent traceback when copying invitation link from pip window

[FIX] stock: allow barcode assignment on packaging in a single step

[IMP] hr_work_entry: work entry UX imp

[IMP] hr_payroll,hr_work_entry*: work entry UX imp

[IMP] hr_payroll_attendance: added gantt view in smart button

[REF] l10n_nl_reports: removes xml from python test

[IMP] l10n_hk_hr_payroll: default employer name

[IMP] currency_rate_line: use system param url

[IMP] l10n_be_hr_contract_salary: update demo laurie email

[IMP] base: align icon spacing with hr override in user form

[FIX] hr_recruitment: log refusal email in chatter

[FIX] l10n_br_avatax: don't double-count service discounts

[FIX] product: PricelistItem base_pricelist_id required if base=='pricelist'

[FIX] account_reports_cash_basis: fix balance_sheet test for generic CoA

[FIX] website_sale: close cart notification after 4 seconds

[FIX] mail: discuss call promote fullscreen on fullscreen icon

[IMP] mail: remove deprecated code in mail/static

[REF] html_editor, website: move ir_ui_view save methods to website

[IMP] account_reports: test balance sheet balanced per country

[IMP] pos_urban_piper_enhancements: adapt to community changes

[IMP] web_enterprise: user field color_scheme

[IMP] pos_blackbox_be: user writeable field