Odoo Release Updates

[FIX] *: various fixes for owl3 this. conversion

[FIX] project: fix email alignment

[FIX] web, *: rename class as expected

[REF] mail_*: run owl3 rendering context migration script

[REF] mail_*: run owl3 rendering context migration script

[REF] project*: run rendering context script

[REF] portal,*: run rendering context migration script

[FIX] project: share link task display

[REF] web, *: stop using `exprToBoolean` for date field options

[FIX] project: add empty python_method for burndown chart

[FIX] web: improve some spacing issues in o_input_box elements

[FIX] project: Enable auto-deletion for task assignment notification emails

[REF] *: Run script to replace t-ref by t-custom-ref

[REF] *: remove url from js file tours

[IMP] web, mail: merge selection_badge_icons into selection_badge and add max badges option

[REF] *: Run script to replace t-esc by t-out

[REF] *: remove url from js file tours

[IMP] web: split badge_selection into badges_many2one and badges_selection

[FIX] project: fix send email when creating task from template

[IMP] mail: update tracking API

[IMP] sale_project: custom milestone percentage from project template

[IMP] orm: Model concat, union change

[FIX] project: include invited_users in collaborator project domain

[FIX] project : Avoid override recurrence values with defaults

[FIX] project_todo: tag ordering no longer uses archived tasks

[ADD] sale_project_margin: project margins overview

[FIX] project: unskip test

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

[IMP] mail: cleanup track naming and usage

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