Odoo Release Updates

[FIX] mail: no crash on test test_04_meeting_view_tour avatarUrl

[IMP] mail: review rotten design

[IMP] orm: get name instead of label by default for properties selection

[FIX] mail: minor fixes in polls

[REF] mail: removed discuss.channel.member/fetched

[REF] web,*: cleanup ControlPanel buttons management

[FIX] mail: adjust condition to use proper model for user preferences

[IMP] mail, im_livechat, *: easy local storage field + upgrade

[FIX] mail: channel invite placeholder hints invite by email

[FIX] mail: better UI alignment in discuss app

[REF] mail: remove deprecated mail/static code

[REF] mail, web, *: replace deprecated asyncStep() in tests

[FIX] mail: add inbox messages to MessagingMenu

[REF] mail: remove explicit post_install

[FIX] mail: copy attachments when copying templates

[FIX] mail: fix test "out-of-focus notif" with "(1) Odoo"

[MOV] mail, *: move discuss files to discuss_app/sidebar

[IMP] mail, im_livechat: introduce polls in discuss

[REF] mail: split DiscussCategories in many files

[REM] mail: remove flanker usage

[IMP] mail: Typing use channel directly

[IMP] mail: make chat window use discuss.channel

[IMP] mail: remove fetch hack

[FIX] mail: support non-list extra_fields in Store.Relation

[REF] mail: rename MentionPlugin

[REF] mail: _to_store_persona remove compute

[REF] mail: replace `registerMessageRefs` to `useChildRefs` hooks

[IMP] mail: remove unused prop 'messageActions' from Thread component

[IMP] mail: remove console errors from sound effect HOOT url failing

[REF] mail, *: replaced self_partner by self_user