display a popup before deleting an organization when editing a project or subproject

[Malick-Niang]

• [ ] The feature was discussed in discussions of this repository.
• [ ] I have searched the issues of this repository and believe that this is not a duplicate.

Description 💡

Edit project/subproject -> delete organization : display a "Are you sure to delete this organization? "popup (French: Êtes-vous sûr de vouloir supprimer cette organisation?" Discussion-reference: <Insert discussion reference here>