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/graphql/mutations/createWorkflowVersionStep.ts

@@ -0,0 +1,13 @@
+import { gql } from '@apollo/client';
+
+export const CREATE_WORKFLOW_VERSION_STEP = gql`
+  mutation CreateWorkflowVersionStep($input: CreateWorkflowVersionStepInput!) {
+    createWorkflowVersionStep(input: $input) {
+      id
+      name
+      type
+      settings
+      valid
+    }
+  }
+`;

packages/twenty-front/src/modules/workflow/graphql/mutations/deleteWorkflowVersionStep.ts

@@ -0,0 +1,13 @@
+import { gql } from '@apollo/client';
+
+export const DELETE_WORKFLOW_VERSION_STEP = gql`
+  mutation DeleteWorkflowVersionStep($input: DeleteWorkflowVersionStepInput!) {
+    deleteWorkflowVersionStep(input: $input) {
+      id
+      name
+      type
+      settings
+      valid
+    }
+  }
+`;

packages/twenty-front/src/modules/workflow/graphql/mutations/updateWorkflowVersionStep.ts

@@ -0,0 +1,13 @@
+import { gql } from '@apollo/client';
+
+export const UPDATE_WORKFLOW_VERSION_STEP = gql`
+  mutation UpdateWorkflowVersionStep($input: UpdateWorkflowVersionStepInput!) {
+    updateWorkflowVersionStep(input: $input) {
+      id
+      name
+      type
+      settings
+      valid
+    }
+  }
+`;