fix(editor): Fix partial chat executions (#15379)

packages/core/src/execution-engine/workflow-execute.ts

@@ -41,6 +41,7 @@ import type {
 	INodeType,
 	ITaskStartedData,
 	AiAgentRequest,
+	IWorkflowExecutionDataProcess,
 } from 'n8n-workflow';
 import {
 	LoggerProxy as Logger,
@@ -118,6 +119,7 @@ export class WorkflowExecute {
 		startNode?: INode,
 		destinationNode?: string,
 		pinData?: IPinData,
+		triggerToStartFrom?: IWorkflowExecutionDataProcess['triggerToStartFrom'],
 	): PCancelable<IRun> {
 		this.status = 'running';
 
@@ -139,7 +141,7 @@ export class WorkflowExecute {
 		const nodeExecutionStack: IExecuteData[] = [
 			{
 				node: startNode,
-				data: {
+				data: triggerToStartFrom?.data?.data ?? {
 					main: [
 						[
 							{