[FIX]project: show tasks of project that are in template state when clicking on the show task button from the project.
[FIX] project: do not hide tasks from template project in the project kanban and if we open those tasks from the project template
[FIX] mail_alias, hr_job: when migrating to aliases, allow to have aliases creating records from a different model than the parent model; for example hr_job create hr_applicant records.