Odoo Release Updates

[REF] mail: make discuss.channel inherit mail.thread (JS)

[FIX] hr_timesheet: filter employee_id to avoid falsy id traceback

[IMP] web, mail *: improve states of systray items

[FIX] account: prevent new empty prefix in report expressions

[FIX] hr: prevent error when period date is missing

[FIX] html_editor: remove unfortunate variable redefinition

[FIX] hr_recruitment: ensure talent is correctly created in pool

[FIX] l10n_ar: display tax totals in comp currency

[FIX] hr: safely handle user groups without XML IDs in action_get

[FIX] hr_recruitment_skill: prevent ZeroDivisionError in job_total

[FIX] web: Chrome (iOS) annotations breaking OWL

[FIX] website: unskip test_03_snippets_all_drag_and_drop

[FIX] point_of_sale: fix traceback during POS payment validation

[FIX] web, website: industry autocomplete option clicking not working

[FIX] attachment_indexation: Fix PDF/Tabular attachment indexation

[IMP] web: add new layout centered

[IMP] web: add animation to Dialog

[IMP] hr: show employees in cycle in a list view

[FIX] web_tour: include bundle in assets_unit_test

[FIX] html_editor: preserve style on text inserted inside empty format

[IMP] sms_twilio: make some ui changes

[REF] web: simplify BottomSheet CSS rules for animation

[FIX] mail: fix thread action button and messaging menu UI

[FIX] purchase_stock: incorrect value with UoM or currency

[FIX] web: reload action and breadcrumbs when changing lang

[FIX] l10n_in: prevent error on creating contact via crm lead

[FIX] hr: fix default work address

[FIX] point_of_sale: remove deprecated reference to '_action_done' for stock picking

[FIX] website_sale: prevent errors when adding a combo product to the cart

[REV] l10n_sa: remove default taxes from the accounts