360 workflow implement workflow cron triggers frontend 2 (#10051)

as title, closes https://github.com/twentyhq/core-team-issues/issues/360

## Cron Setting behavior

https://github.com/user-attachments/assets/0de3a8b9-d899-4455-a945-20c7541c3053

## Cron running behavior


https://github.com/user-attachments/assets/4c33f167-857c-4fcb-9dbe-0f9b661c9e61

packages/twenty-front/src/modules/workflow/workflow-variables/utils/getTriggerStepName.ts

@@ -10,6 +10,8 @@ export const getTriggerStepName = (trigger: WorkflowTrigger): string => {
   switch (trigger.type) {
     case 'DATABASE_EVENT':
       return getDatabaseEventTriggerStepName(trigger);
+    case 'CRON':
+      return 'On a Schedule';
     case 'MANUAL':
       if (!isDefined(trigger.settings.objectType)) {
         return 'Manual trigger';