Odoo Release Updates

[FIX] mail: edited label should be removed while editing

[FIX] mail: don't resolve promise before voice player is drawn

[FIX] mail: prepare the fix of the icon position in thumbnails

[FIX] mail: avoid unnecessary queries when generating store

[IMP] mail: display placeholder for conversations without messages

[CLN] mail: clean outdated code from discuss call settings

[IMP] mail: remove use of deprecated Deferred from ChatHub model

[IMP] mail, *: reimplement Store.isReady without deprecated Deferred

[REF] mail, *: unify empty message logic

[FIX] mail: correct position of 'is typing' IM status in Safari

[FIX] mail: enter should not send message when emoji picker is open

[IMP] mail: improve composer mention suggestion list

[IMP] website_livechat: add `ai.session` to frontend store

[FIX] mail: fix activity state is shared accross tabs

[FIX] mail: align IM status icon in user menu

[IMP] mail, *: replace deprecated Deferred with Promise.withResolvers

[REF] mail: replace CallActions.isTracked by tags

[IMP] mail: replace localStorage by IndexedDB for composer

[FIX] mail: search for channel invite performance

[IMP] mail: remove unused ChatWindow.composerType

[FIX] mail: prevent duplicate close button in ActionPanel

[IMP] test_lint, *: Indexing of `Many2one` fields used in `related` fields

[FIX] mail: correct position of 'offline' IM status in Safari

[IMP] mail: remove duplication in channel/member access rules

[FIX] mail: handle mounting errors in code block

[IMP] mail: do not follow created partners

[REF] various: remove useless 'tracking_disable' / 'mail_notrack' in tests

[FIX] mail: remove 'mail_notrack' key when copying

[REF] mail, various: remove useless 'tracking_disable'

[FIX] mail: correctly mention roles in full composer