8723 workflow add editor in serverless function code step (#8805)

- create a serverless function when creating a new workflow code step
- add code editor in workflow code step
- move workflowVersion steps management from frontend to backend
  - add a custom resolver for workflow-version management
  - fix optimistic rendering on frontend
- fix css
- delete serverless function when deleting workflow code step

TODO
- Don't update serverlessFunction if no code change
- Factorize what can be between crud trigger and crud step
- Publish serverless version when activating workflow
- delete serverless functions when deleting workflow or workflowVersion
- fix optimistic rendering for code updates
- Unify CRUD types

<img width="1279" alt="image"
src="https://github.com/user-attachments/assets/3d97ee9f-4b96-4abc-9d36-5c0280058be4">

packages/twenty-front/src/modules/workflow/hooks/useGetUpdatableWorkflowVersion.ts

@@ -0,0 +1,23 @@
+import { WorkflowWithCurrentVersion } from '@/workflow/types/Workflow';
+import { useCreateNewWorkflowVersion } from '@/workflow/hooks/useCreateNewWorkflowVersion';
+
+export const useGetUpdatableWorkflowVersion = () => {
+  const { createNewWorkflowVersion } = useCreateNewWorkflowVersion();
+  const getUpdatableWorkflowVersion = async (
+    workflow: WorkflowWithCurrentVersion,
+  ) => {
+    if (workflow.currentVersion.status === 'DRAFT') {
+      return workflow.currentVersion;
+    }
+
+    return await createNewWorkflowVersion({
+      workflowId: workflow.id,
+      name: `v${workflow.versions.length + 1}`,
+      status: 'DRAFT',
+      trigger: workflow.currentVersion.trigger,
+      steps: workflow.currentVersion.steps,
+    });
+  };
+
+  return { getUpdatableWorkflowVersion };
+};