feat: workflow delay action (Pause - Wait/Sleep/Delay) (#14915)

## Description

- This PR focuses on issue
https://github.com/orgs/twentyhq/projects/1/views/33?pane=issue&itemId=93150683&issue=twentyhq%7Ccore-team-issues%7C20
- added Workflow delay as a Flow action
- for V1 added Type 1: Resume at a specific date or time


## Visual Appearance
<img width="1792" height="1038" alt="Screenshot 2025-10-09 at 5 46
18 PM"
src="https://github.com/user-attachments/assets/e62980e9-59c7-4e5a-b8ec-1e848a462d3f"
/>

<img width="1792" height="1037" alt="Screenshot 2025-10-09 at 5 46
35 PM"
src="https://github.com/user-attachments/assets/7c3f4e39-ab0a-40ed-97a8-4f0cdb86f295"
/>

---------

Co-authored-by: Thomas Trompette <thomas.trompette@sfr.fr>

packages/twenty-server/src/modules/workflow/workflow-builder/workflow-version-step/workflow-version-step-operations.workspace-service.ts

@@ -353,6 +353,27 @@ export class WorkflowVersionStepOperationsWorkspaceService {
           additionalCreatedSteps: [emptyNodeStep],
         };
       }
+      case WorkflowActionType.DELAY: {
+        return {
+          builtStep: {
+            ...baseStep,
+            name: 'Delay',
+            type: WorkflowActionType.DELAY,
+            settings: {
+              ...BASE_STEP_DEFINITION,
+              input: {
+                delayType: 'DURATION',
+                duration: {
+                  days: 0,
+                  hours: 0,
+                  minutes: 0,
+                  seconds: 0,
+                },
+              },
+            },
+          },
+        };
+      }
       default:
         throw new WorkflowVersionStepException(
           `WorkflowActionType '${type}' unknown`,