Odoo Release Updates

[REF] mail, *: DiscussAppCategory.hidden as local storage field

[REF] im_livechat: remove rating mixins from discuss

[FIX] mail: don't bump channel on notification message

[REF] mail,im_livechat: use discuss.channel model instead of mail.thread

[FIX] im_livechat,*: missing visitor lang display in side panel

[IMP] im_livechat, mail: display country flag and language in discuss sidebar

[REF] mail,im_livechat: move autoOpenChatWindowOnNewMessage to channel

[REF] im_livechat: rename discuss_sidebar_channel_actions_patch

[REF] mail, *: clean deprecate code (ResPartner.displayName)

[REF] im_livechat,website_livechat: move fields to channel

[IMP] livechat: simplify help flow and improve session browsing

[REF] mail: move executeCommand to channel

[REM] crm_livechat, im_livechat: remove "create lead & forward" step

[FIX] mail, *: conversation description should work in livechat

[REF] mail,im_livechat: move isDisplayed to channel

[IMP] livechat: show agent company in channel overview

[FIX] im_livechat: prevent leave livechat dialog box in non-livechat channels

[REF] im_livechat, mail: use channel getter in thread icon component

[REF] mail, *: use channel in thread component

[IMP] mail: better UI size in messaging menu

[IMP] mail: better UI sizes in discuss app sidebar and chat bubble

[FIX] mail: don't leak agent name with mentions

[REF] mail,im_livechat: move leaveChannel to channel

[REF] im_livechat, mail: simplify chat window close

[IMP] im_livechat: remove old form content

[IMP] im_livechat: better thread name

[FIX] im_livechat,mail: do not show IM status in livechat for visitor

[REF] base: make 'is_company' computed, remove company_type

[ADD] base: update apps icons

[IMP] mail, im_livechat: add docstring about chatHub.initPromise