Odoo Release Updates

[IMP] pos_self_order: add back button on the attribute configuration

[IMP] web: increase search more limit

[FIX] crm: leads' stage must always be "New"

[IMP] web: update owl to 2.8.2

[FIX] l10n_in_reports: fix access to tracking values

[IMP] tests: TransactionCase flushes cursor

[IMP] tests: TransactionCase create a single savepoint

[FIX] mass_mailing: preserve changes when switching form tabs

[IMP] mail: rename o-mail-SubChannel-name

[FIX] spreadsheet: cannot undo a list duplication

[FIX] pos_enterprise: sync preparation display on backend order cancel/delete

[FIX] sale_renting: ensure only sale enable product comes in sales orders

[FIX] hr_holidays: fix invalid time display for hourly time off

[FIX] l10n_pe_reports_lib: update default expense account for tests

[FIX] hr_holidays: fix traceback when creating group allocation

[IMP] l10n_mx_hr_payroll: support ZLFN zones for minimum wage

[ADD] sale_project_margin: project margins overview

[FIX] point_of_sale: prioritize server date for when pos is online

[REF] mail: add resilience to hasActionsMenu

[FIX] account_peppol: Avoid commercial_partner_id being empty

[FIX] web: tests - proper error reporting

[FIX] mail: stabilize chatter search panels test due to thread not loaded

[IMP] web_map, *: automate route optimization and refine UI

[IMP] tests: configurable timeout for web calls

[FIX] web: tests - speed up promise check

[FIX] stock: do not set current user on quant when setting qty to zero

[FIX] website_generator: add website_id trial request

[FIX] hr_attendance: only consider past attendances in `last_attendance_id`

[IMP] hr: filter working schedules by country

[FIX] sale: resize portal SO section colspan