Odoo Release Updates

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

[IMP] project: make project non-required on task templates

[FIX] project: improve perf of project list view

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

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

[FIX] project: incorrect view change after deleting task stage

[FIX] *: remove undeterministicTour key

[IMP] project, hr_timesheet_attendance: Hide reporting menus from non-admins

[FIX] project: prevent traceback in mobile view

[IMP] project: redirect portal editors to project sharing view

[IMP] portal,project: do no generate access token for restricted projects/tasks

[IMP] project_*: project margins followup

[IMP] mail, project: add store chatter_fields flag

[REF] project: burndown_chart base on duration_tracking

[IMP] (test_, mail), crm, project: store stage duration in duration tracking

[IMP] project: remove milestone history in project update

[IMP] project, hr_recruitment: improve task and recruitment demo data

[IMP] mail, project: remove unused related tracking

[REF] *: unifies relative filters in arch

[FIX] project: prevent crash on 'Search More' in task relational fields

[IMP] *: add explanations to core models and actions

[FIX] project: prevent traceback when editing message as a portal user

[IMP] orm: check permissions of commands in context

[FIX] project: Group project template tasks with template tasks

[FIX] project: grant admin access to project stage

[FIX] *: remove unnecessary groups to fix boxed settings layout

[FIX] project: use same view for milestones top bar action

[FIX] sale_project: propagate sale_line_id to subtasks

[FIX] web_editor: prevent direct writing to history

[IMP] web,*: follow up for M3.1 style commit