feat: add create or update workflow trigger (#14708)

### Description

This PR focuses on
https://github.com/twentyhq/core-team-issues/issues/1476

- introduces the handling of upserted events in the workflow trigger
system


## Visual Appearance
<img width="1792" height="1039" alt="Screenshot 2025-09-21 at 11 40
28 PM"
src="https://github.com/user-attachments/assets/d926b566-f7d3-412b-b1ab-ed2064425f3d"
/>

<img width="501" height="1025" alt="Screenshot 2025-09-21 at 11 40
39 PM"
src="https://github.com/user-attachments/assets/13c3031a-0762-4c80-8df1-fa74ca70a540"
/>


### Changes
- Added `UPSERTED` action to the `DatabaseEventAction` enum.
- Updated the `WorkflowEditTriggerDatabaseEventForm` to support upserted
events.

---------

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

packages/twenty-front/src/modules/workflow/utils/__tests__/splitWorkflowTriggerEventName.test.ts

@@ -99,4 +99,15 @@ describe('splitWorkflowTriggerEventName', () => {
       event: '',
     });
   });
+
+  it('should split event name with upserted event', () => {
+    const eventName = 'company.upserted';
+
+    const result = splitWorkflowTriggerEventName(eventName);
+
+    expect(result).toEqual({
+      objectType: 'company',
+      event: 'upserted',
+    });
+  });
 });