Resolves https://github.com/go-vikunja/vikunja/issues/290
Resolves https://community.vikunja.io/t/tasks-moved-from-one-project-to-another-do-not-show-up-in-kanban/2689
(cherry picked from commit eed783e42f)
Resolves https://github.com/go-vikunja/vikunja/issues/290
Resolves https://community.vikunja.io/t/tasks-moved-from-one-project-to-another-do-not-show-up-in-kanban/2689
(cherry picked from commit eed783e42f)