Scaffold filters creation and deletion (#12990)

When the feature flag is activated, we can now create filters and delete
them. This PR mainly updates how we generate workflow diagrams.


https://github.com/user-attachments/assets/1a4aef46-7c3c-45fa-953f-0bd1908b9be7

packages/twenty-front/src/modules/workflow/workflow-steps/components/WorkflowRunStepNodeDetail.tsx

@@ -200,6 +200,11 @@ export const WorkflowRunStepNodeDetail = ({
             />
           );
         }
+        case 'FILTER': {
+          throw new Error(
+            "The Filter action isn't meant to be displayed as a node.",
+          );
+        }
       }
     }
   }

packages/twenty-front/src/modules/workflow/workflow-steps/components/WorkflowStepDetail.tsx

@@ -184,6 +184,11 @@ export const WorkflowStepDetail = ({
             />
           );
         }
+        case 'FILTER': {
+          throw new Error(
+            "The Filter action isn't meant to be displayed as a node.",
+          );
+        }
 
         default:
           return assertUnreachable(