fix warnings/errors when linking simcards to itilobjects (#7426)

* fix warnings/errors when linking simcards to itilobjects

* Update inc/dropdown.class.php

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

* Update inc/dropdown.class.php

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

* remove superflu is_helpdesk_visible fields, fix also #7428

* add users_id to glpi_items_devicesimcards to permits correct linking of tickets

* fix order on simcard

* fix global items link in tickets

* clean

* missing key

* lint

* add also groups_id

* missing field in form

* duplicate so

* missing key

* Update install/update_94_95.php

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

* update - drop is_helpdesk_visible

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