Fix SSE for workflow show page (#17582)

- Add SSE to workflow show page. Listens at workflow versions
- Add a tool for creating trigger
- Ensure step id is not used in params
- Make AI adding step linked to the last node by default



https://github.com/user-attachments/assets/41ee1835-9716-450e-82e8-54e1b63bd1ef

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

@@ -0,0 +1,21 @@
+import { Field, InputType } from '@nestjs/graphql';
+
+import graphqlTypeJson from 'graphql-type-json';
+
+import { UUIDScalarType } from 'src/engine/api/graphql/workspace-schema-builder/graphql-types/scalars';
+import { WorkflowTrigger } from 'src/modules/workflow/workflow-trigger/types/workflow-trigger.type';
+
+@InputType()
+export class UpdateWorkflowVersionTriggerInput {
+  @Field(() => UUIDScalarType, {
+    description: 'Workflow version ID',
+    nullable: false,
+  })
+  workflowVersionId: string;
+
+  @Field(() => graphqlTypeJson, {
+    description: 'Trigger to update in JSON format',
+    nullable: false,
+  })
+  trigger: WorkflowTrigger;
+}