Update next step ids on step update (#11605)

When inserting a new step between step 1 et step 2, then step 1 should
have the new step as next step id, add stop having step 2.

When deleting a step, we link the parent and next steps together. It may
change in the future

packages/twenty-server/src/engine/core-modules/workflow/dtos/create-workflow-version-step-input.dto.ts

@@ -15,4 +15,16 @@ export class CreateWorkflowVersionStepInput {
     nullable: false,
   })
   stepType: WorkflowActionType;
+
+  @Field(() => String, {
+    description: 'Parent step ID',
+    nullable: true,
+  })
+  parentStepId?: string;
+
+  @Field(() => String, {
+    description: 'Next step ID',
+    nullable: true,
+  })
+  nextStepId?: string;
 }

packages/twenty-server/src/engine/core-modules/workflow/resolvers/workflow-step.resolver.ts

@@ -26,12 +26,11 @@ export class WorkflowStepResolver {
   async createWorkflowVersionStep(
     @AuthWorkspace() { id: workspaceId }: Workspace,
     @Args('input')
-    { stepType, workflowVersionId }: CreateWorkflowVersionStepInput,
+    input: CreateWorkflowVersionStepInput,
   ): Promise<WorkflowActionDTO> {
     return this.workflowVersionStepWorkspaceService.createWorkflowVersionStep({
       workspaceId,
-      workflowVersionId,
-      stepType,
+      input,
     });
   }
 
@@ -57,7 +56,7 @@ export class WorkflowStepResolver {
     return this.workflowVersionStepWorkspaceService.deleteWorkflowVersionStep({
       workspaceId,
       workflowVersionId,
-      stepId,
+      stepIdToDelete: stepId,
     });
   }