Odoo Release Updates

[IMP] helpdesk: _sla_find domain hook

[IMP] helpdesk: add 'Unanswered' filter in helpdesk ticket

[FIX] *: automaticaly set legacy at_install

[IMP] helpdesk: user writeable fields

[FIX] helpdesk: avoid traceback when closing ticket if no calendar

[IMP] helpdesk: update label of rotting_threshold_days field

[FIX] helpdesk: prevent error when creating helpdesk ticket

[PERF] helpdesk: improve updating partner fields

[IMP] resource: refactor working schedule

[REF] all: model's description should be singular

[IMP] *: reduce TagsList overrides

[FIX] appointment_crm, *: fix failing tours due to reload/redirect

[REF] *: use ir.config_parameter new API get_xxx, set_xxx

[FIX] helpdesk: fix sla report grouping

[FIX] helpdesk: add domain on team members field to exclude portal users

[FIX] helpdesk: fix date expressions in search filters

[IMP] helpdesk: add rotting fields

[IMP] crm_enterprise, helpdesk: hide measure `Stage Color`