Odoo Release Updates

[REF] hr: _get_calendar_periods will take dates instead of datetime and ignore timezone

[FIX] hr_holidays: Keep correct work entry type when resetting leave entries

[IMP] hr_holidays: Attached documents visibility

[PERF] hr{,_holiday,_work_entry}: Speed-up offer template onchange

[IMP] hr_holidays: add share target item for hr holiday

[FIX] hr_holidays: fix carryover expiring days count

[IMP] hr_holidays: change gantt color of time-off overview

[REF] web,*: cleanup ControlPanel buttons management

[FIX] hr_holidays: link attachments on leave creation

[IMP] hr_holidays: Remove unused compute

[FIX] hr_holidays: typo in UserError message overlapping time off

[MOV] mail, *: move discuss files to discuss_app/sidebar

[REF] mail: split DiscussCategories in many files

[CLN] *: manifests

[FIX] hr_holidays: support portal employees when approving leaves

[FIX] hr_holidays: add related field on member_of_department

[FIX] hr_holidays: corrected the allocation_type

[FIX] *: automaticaly set legacy at_install

[IMP] hr_holidays: user employee field

[REM] hr_holidays: Drop time_off_type_id from accruals

[IMP] hr: user employee fields

[IMP] hr_holidays: include all valid public holidays

[IMP] hr: moving Mitchell Admin to demo data

[FIX] hr_holidays : Use request_date_to and request_date_from to check dates

[IMP] l10n_be_hr_payroll: Add Paternity Leave type data

[IMP] {l10n_in_,}hr_holidays: modify previous holidays legend color

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

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

[IMP] resource: refactor working schedule

[FIX] hr_holidays: resolve Missing Record traceback