Odoo Release Updates

[REF] mail,im_livechat: move isChatChannel

[IMP] mail: access self_member_id through channel

[FIX] mail: can add message reaction in mobile

[FIX] mail: reduce eye fatigue when using discuss in white theme

[REF] *: use ':text' instead of ':contains'

[FIX] mail: add encoding alias for cp-850

[FIX] mail: error when computing last message seen by all

[FIX] mail: view image in full-size in message list

[FIX] mail: mail.message create on no user

[FIX] mail: url paste issue in composer

[FIX] hr: correctly set display name when opening chat with employee

[FIX] mail, *: demonstrate the available canned responses in portal

[FIX] mail: improve message action style

[FIX] mail: avoid traceback when closing minimized chat window

[FIX] mail: show correct call status in discuss sidebar

[REF] mail: move fetchChannelMembers to channel

[REF] mail: move member_count to discuss.channel

[FIX] mail: show warning when no mic permission in systray call menu

[FIX] mail: better message list readability in white theme

[FIX] mail: edit message does not remove 1st line

[REF] mail,im_livechat: channel_invitation use channel

[FIX] mail: fix video auto-focus on join and extend to one-one calls

[FIX] mail: no crash on closing chat window in livechat support page

[IMP] mail: enhance quick voice settings

[REF] mail, im_livechat: make channel_member_list use channel instead of thread

[REF] mail: searchChat method use discuss.channel

[REF] mail: move channel_type to discuss_channel

[REF] mail: move on/offline member fields to channel

[REF] *: switch from pytz to zoneinfo

[FIX] discuss: unify call server disconnection behavior