Odoo Release Updates

[IMP] mail: use discuss.channel model for alreadyChat

[IMP] mail: enable copy message text on desktop

[FIX] mail: call settings select's options text visibility and styling

[IMP] mail: use discuss.channel for messaging menu

[FIX] mail: backport s_showcase separator fix from web_editor

[IMP] mail: use discuss.channel model in getRecentChatPartnerIds

[MOV] core: move Query into odoo.orm

[FIX] mail: no crash on record.delete() on already deleted record

[FIX] mail: prevent error when uploading invalid pdf file

[IMP] mail: Rename `channels` and `chats`

[FIX] mail: show reply context for attachment-only messages

[IMP] mail: remove allChannels field

[FIX] mail: mark messages as read when fetching mails

[FIX] mail: prevent traceback when copying invitation link from pip window

[FIX] mail: discuss call promote fullscreen on fullscreen icon

[IMP] mail: remove deprecated code in mail/static

[FIX] mail: fix style of call actions 'join' / 'reject' with label

[IMP] orm: use SQL alias for Field.compute_sql

[IMP] mail: add attachment icon on reply

[FIX] mail: prevent non-deterministic failure in channel tour

[FIX] mail: fix non-deterministic call invitation tour

[FIX] mail: prevent error when creating helpdesk ticket

[FIX] mail: fix runbot-233201 mention a channel thread

[IMP] mail: show unread badge on meeting chat action

[REF] mail, *: rename Thread JS model to mail.thread

[FIX] mail: properly translate public page components

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

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

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

[IMP] mail: show message seen indicator in message preview