Odoo Release Updates

[FIX] mail: prevent editing mailbox thread name when channel is undefined

[IMP] mail: fix attachment image scaling

[FIX] mail: Fix MemoryError

[IMP] mail,*: MailThreadCC removal, default subject and tweaks

[IMP] mail: split start and end date fields for out-of-office period

[IMP] mail: search messages and activities with access using SQL + remove fetch override

[IMP] mail,web,*: simplify breadcrumbs and prevent control panel button wrapping

[REF] html_editor, *: turn clean_for_save_handlers into processors

[FIX] mail: prevent duplicate dropdown in pinned messages panel

[REF] mail, im_livechat: move /messages into /mail/data

[IMP] (test_)mail, various: update tracking test tooling

[IMP] mail: make channel member roles editable in form view

[FIX] mail, web: add 💯 emoji shortcode and improve helper text

[IMP] mail: add copy suffix when duplicating canned responses

[IMP] mail: cleanup track naming and usage

[FIX] mail: chatter should jump when navigating to a specific message link

[REF] *: Remap useExternalListener import to owl2/utils

[IMP] mail, portal: support extra params in message fetch methods

[IMP] mail: add category group in channel search view

[IMP] mail: improvements in call history

[REF] *: remap reactive import to owl2/utils

[IMP] mail: refine ChannelActionDialog header spacing

[FIX] mail: filter access on linked messages

[IMP] mail: open avatar card when clicking follower in follower list

[REF] mail: rename the various fetchMessages to avoid confusion

[IMP] mail, *: improvements to Discuss public page of portal users

[IMP] mail,im_livechat: add escalation notifications for visitors

[IMP] base, mail: better docutils warnings, fix mail description

[IMP] mail: improve threads (subchannel) pannel

[FIX] mail: fix style of mention suggestion