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/useUpdateStep.ts

@@ -0,0 +1,32 @@
+import {
+  WorkflowStep,
+  WorkflowWithCurrentVersion,
+} from '@/workflow/types/Workflow';
+import { isDefined } from 'twenty-ui';
+import { useGetUpdatableWorkflowVersion } from '@/workflow/hooks/useGetUpdatableWorkflowVersion';
+import { useUpdateWorkflowVersionStep } from '@/workflow/hooks/useUpdateWorkflowVersionStep';
+
+export const useUpdateStep = ({
+  workflow,
+}: {
+  workflow: WorkflowWithCurrentVersion;
+}) => {
+  const { getUpdatableWorkflowVersion } = useGetUpdatableWorkflowVersion();
+  const { updateWorkflowVersionStep } = useUpdateWorkflowVersionStep();
+
+  const updateStep = async <T extends WorkflowStep>(updatedStep: T) => {
+    if (!isDefined(workflow.currentVersion)) {
+      throw new Error('Can not update an undefined workflow version.');
+    }
+
+    const workflowVersion = await getUpdatableWorkflowVersion(workflow);
+    await updateWorkflowVersionStep({
+      workflowVersionId: workflowVersion.id,
+      step: updatedStep,
+    });
+  };
+
+  return {
+    updateStep,
+  };
+};