Odoo Release Updates

[FIX] mail: simplify TZ fetch when tracking datetime fields

[FIX] mail: fix tracking fields with manual tracking

[FIX] mail: display tracked integers as integers

[FIX] mail: fix manual tracking of monetary fields

[REF] mail: cleanup and fixup test tools after tracking update

[FIX] mail: translate language version of tracked bool

[FIX] mail: remove reference to 'tracking_value_ids' in mail JS

[FIX] mail, various: update tracking-in-body generation

[FIX] mail: test_channel_message_attachments

[REM] mail: remove deprecated mail code

[REF] mail: move add_singleton_values to add_model_values

[IMP] mail: reimplement startupDeferred without deprecated Deferred

[FIX] html_editor, mail: remove select_all_overrides

[IMP] mail: add recent message author compare criteria

[IMP] mail: allow searching members in list

[REF] hr, mail, resource_mail: convert `im_status` to Selection field

[IMP] mail: add followers badge

[REF] mail: remove `_to_store`, clean reactions code

[REF] mail: merge `/mail/action` and `/mail/data`

[IMP] im_livechat, mail: remove usages of deprecated Deferred

[IMP] mail: add thumbnail generation for videos.

[FIX] mail: correct quick actions placement for tracking messages

[IMP] mail: remove deprecated Deferred from Thread

[IMP] mail: reorder message actions and restrict deleted message actions

[FIX] mail: load default template body in full composer

[IMP] mail: improve delete message dialog

[FIX] mail: edited label should be removed while editing

[FIX] mail: don't resolve promise before voice player is drawn

[FIX] mail: prepare the fix of the icon position in thumbnails

[FIX] mail: avoid unnecessary queries when generating store