When a user don't have the permission
`$user->rights->projet->all->lire`, viewing some tasks related entities
(like `tasks/contact.php?id=1&withproject=1`) cause `Call to undefined
method Task::getProjectsAuthorizedForUser()` fatal error.

The problem is caused by calling getProjectsAuthorizedForUser on $object
insted of $projectstatic.

add project if likned to another third on project view)

This commit consists of patches automatically generated for this project on https://scrutinizer-ci.com

missing import_key field, ref generator parameter must be task not
project, import must use css, serious database integrity problem
accepting duplicate tasks.