Odoo Release Updates

[REF] core: move tests' tests from base to test_tests

[REF] html_editor, *: rename some misleadingly named resources

[IMP] l10n_sa_edi: remove dead code

[FIX] l10n_be_hr_payroll: Fix version usage

[FIX] iot: traceback on updating keyboard layout

[FIX] databases: fix error when duplicate labels

[IMP] mail: improve edited message title

[PERF] hr_payroll_account: prefetch to avoid infinite loop

[IMP] project_account_budget: project budget overview

[FIX] web: Make navigation_hook not override default tab navigation

[FIX] html_builder: fix typo `lastContainerWthOptions`

[FIX] mail: prevent editing mailbox thread name when channel is undefined

[IMP] mail: fix attachment image scaling

[FIX] point_of_sale: add shouldRoundChange getter for override

[IMP] l10n_be_hr_payroll: Add student salary scale parameter

[FIX] account_edi_ubl_cii: log the account numbers

[IMP] account_edi_ubl_cii: Completely independent BIS3

[IMP] l10n_be: dynamic meal voucher cost for employee

[FIX] sale: services & materials – cleanup and fixes

[FIX] whatsapp_sign: add safety check for template references

[FIX] l10n_in_reports: add noupdate to fetch bill cron

[IMP] hr_work_entry: improve ux

[IMP] sale_renting: adapt rental period layout after SO header changes

[IMP] website_sale_subscription: adapt to community changes

[IMP] hr_appraisal: request email on ask feedback

[FIX] sale: remove duplicated Delivery Date in SO report preview

[FIX] web: fix SessionExpiredException handling after http split

[FIX] l10n_be: correct the sign of 61 in VAT report

[FIX] pos_restaurant: display global discount correctly on split screen

[FIX] mail: Fix MemoryError