Odoo Release Updates

[REF] mail: convert test on thread.model

[FIX] mail, hr_holidays: correct "back on" indicator position

[FIX] hr_holidays: only skip future leave if more accrual possible

[REF] resource_mail, *: refactor AvatarCardResourcePopover

[FIX] hr_holidays: show correct ValidationError when creating employee

[IMP] web: share target v2

[IMP] hr_holidays: add employee group to access the appplication

[IMP] hr: improve employee list view layout and icon alignment

[FIX] hr_holidays: hr.leave.type.display_name actually depends on env.su

[IMP] mail, *: cleanup templates by using encapsulating template

[REF] mail, *: introduce Store.FieldList

[REF] mail,im_livechat,hr_holiday: sidebar use channel

[FIX] hr_holidays: prevent error when creating time off request for an employee

[FIX] hr_holidays: Allow holiday responsible to unlink resource_calendar_leaves of related employees

[IMP] base: remove SELF_READABLE_FIELDS and SELF_WRITEABLE_FIELDS

[REF] hr_holidays: remove obsolete fields

[IMP] l10n_sa_hr_payroll{,_account} : group sick leaves in one rule

[IMP] *: remove unnecessary button "Discard" labels

[IMP] *: rename "Cancel" to "Discard"

[FIX] hr, hr_holidays: correct underline length

[FIX] web: datetime_field: make range optional even when the field is required

[IMP] hr: reverted the presence indicator

[REF] mail,im_livechat,hr: move correspondent

[FIX] hr_holidays: set 1 day off for flexible schedule

[FIX] hr_holidays : Count public leaves when reevaluating

[REF] *: switch from pytz to zoneinfo

[IMP] core, *: fields.Binary return BinaryValue

[REF] mail: turn 'discuss.channel_member' into ChannelMember component

[IMP] mail,*: add channel/group owner

[IMP] hr_holidays: Separate time off unit taken/given