fix: partial fix to allow list tasks in ios reminders app

- This addresses the bug where tasks were not being listed properly in certain cases.

pkg/routes/caldav/listStorageProvider.go

@@ -52,7 +52,7 @@ type VikunjaCaldavProjectStorage struct {
 }
 
 // GetResources returns either all projects, links to the principal, or only one project, depending on the request
-func (vcls *VikunjaCaldavProjectStorage) GetResources(rpath string, _ bool) ([]data.Resource, error) {
+func (vcls *VikunjaCaldavProjectStorage) GetResources(rpath string, withChildren bool) ([]data.Resource, error) {
 
 	// It looks like we need to have the same handler for returning both the calendar home set and the user principal
 	// Since the client seems to ignore the whatever is being returned in the first request and just makes a second one
@@ -92,6 +92,23 @@ func (vcls *VikunjaCaldavProjectStorage) GetResources(rpath string, _ bool) ([]d
 		}
 		r := data.NewResource(rpath, &rr)
 		r.Name = vcls.project.Title
+		
+		if withChildren {
+			// If the request is withChildren (Depth: 1), we need to return all tasks of the project
+			var resources []data.Resource
+			resources = append(resources, r)
+			for i := range vcls.project.Tasks {
+					rr := VikunjaProjectResourceAdapter{
+							project:      vcls.project,
+							task:         &vcls.project.Tasks[i].Task,
+							isCollection: false,
+					}
+					r := data.NewResource(getTaskURL(&vcls.project.Tasks[i].Task), &rr)
+					r.Name = vcls.project.Tasks[i].Title
+					resources = append(resources, r)
+			}
+			return resources, nil
+		}
 		return []data.Resource{r}, nil
 	}