Remove folderid service test (#80433)

* Remove FolderID from service tests

* Add models

* Add folderID pack to publicdashboard tests

* Remove folderID from dashboard tests

* Remove folderID from folders

* Remove folderID from ngalert tests

* Remove nolint comment

* Add back some tests after rebase

pkg/services/ngalert/api/api_ruler_validation_test.go

@@ -85,7 +85,6 @@ func validGroup(cfg *setting.UnifiedAlertingSettings, rules ...apimodels.Postabl
 
 func randFolder() *folder.Folder {
 	return &folder.Folder{
-		ID:    rand.Int63(), // nolint:staticcheck
 		UID:   util.GenerateShortUID(),
 		Title: "TEST-FOLDER-" + util.GenerateShortUID(),
 		// URL:       "",