fix for function

src/Project/Controllers/SubProjectController.cs

@@ -33,7 +33,7 @@ namespace Coscine.Api.Project.Controllers
                 
                 var subProjects = _subProjectModel.GetAllWhere((subProjectM) => (subProjectM.ProjectId == parentGuid
                                                                                  // Corrosponing subproject must exist
-                                                                                 && !projectModel.IsDeleted(subProjectM.SubProjectId)
+                                                                                 && subProjectM.Project.Deleted == false
 
                                                                                  // select only subprojects to which the user has access
                                                                                  && (from projectRole in subProjectM.SubProject_FK.ProjectRolesProjectIdIds