fixes #8581

- add a Message-Id on all notifications;
- keep old Message-Id format for Ticket notification (to ensure backward compatibility);
- parse In-Reply-To/References headers using the original Message-Id pattern;
- add tests

* Show product_number in dropdown

* check alphanumeric

Co-authored-by: Cédric Anne <cedric.anne@gmail.com>

* Adding new test

Co-authored-by: Cédric Anne <cedric.anne@gmail.com>

* make notification email/name from entity inheritables

* rework inheritance hints

* extends new inherit display on other tabs

* make signature also inheritable

* add tests

* remove added entity in bootstrap

* bad replacement

* fix review

* clean

* add missing test

* add comment

* Fix sql total duration

* Use SUM function

closes #8550

Co-authored-by: Cédric Anne <cedric.anne@gmail.com>

fixes #8421

* feat(core): use dashbaord filter as search criteria

* fix request type

* fix multiple criteria

* add method to find searchoption

* fix/manage date criteria

* fix TU

* manage search criteria for nbItemByFk

* Fix default entity in CommonDBRelation

* Add default value to getActiveEntity

fixes #8533

* Init active tab on display

* Use result from defineTabs instead of hardcoded $main

* Fix IMAP auth without login source dropdown

* Check getFromDBByCrit result

* Fix email attachement decoding logic

* Prevent charset comparison to fail due to case sensitivity

* Do not try to convert contents if source charset is unknown