Odoo Release Updates

[REF] mail: message.isTranslatable simplified

[REF] mail, *: do not send empty ADD or DELETE for many in Store

[CLN] *: manifests

[IMP] mail: don't call old disconnected guests

[FIX] im_livechat: do not send im status of agent to visitor

[IMP] mail: add discuss.channel getOrFetch

[FIX] im_livechat: 'busy' live chat agents should be available

[REF] im_livechat: move fields to channel model

[IMP] mail: action panel definition available to all discuss actions

[FIX] im_livechat: prevent breadcrumb flicker when navigating sessions

[IMP] mail, *: shorten discuss channel typedef

[FIX] im_livechat: hide empty chatbot answers in info side panel

[FIX] im_livechat: show correct chatbot answers in info side panel

[REF] mail, im_livechat: use channel model in rtc

[IMP] mail: remove useless props.isInChatWindow

[REF] mail, hr, im_livechat: alias channel in thread actions

[IMP] im_livechat: add number of agents connected

[FIX] *: have Owl translate data-tooltip attributes

[FIX] im_livechat: prevent user creation from the agent list

[FIX] mail, rating, im_livechat: rating image background in dark mode

[IMP] mail: enable copy message text on desktop

[FIX] im_livechat: prevent some thread actions for live chat visitors

[FIX] im_livechat: prevent error when clearing data in chrome

[IMP] im_livechat: day of week filter considers first day from language settings

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

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

[FIX] im_livechat: add missing im_status field in mock server

[IMP] mail: move channel_type to discuss_channel_model

[FIX] mail, im_livechat: avoid double prettify of message content

[IMP] mail: join channel action button