Fix missing responses when transferring messages into chat panel (microsoft#235584)

Fix microsoft#235531

Author: roblourens

src/vs/workbench/contrib/chat/common/chatModel.ts

@@ -1152,7 +1152,7 @@ export class ChatModel extends Disposable implements IChatModel {
 
 	addRequest(message: IParsedChatRequest, variableData: IChatRequestVariableData, attempt: number, chatAgent?: IChatAgentData, slashCommand?: IChatAgentCommand, confirmation?: string, locationData?: IChatLocationData, attachments?: IChatRequestVariableEntry[], workingSet?: URI[], isCompleteAddedRequest?: boolean): ChatRequestModel {
 		const request = new ChatRequestModel(this, message, variableData, Date.now(), attempt, confirmation, locationData, attachments, workingSet, isCompleteAddedRequest);
-		request.response = new ChatResponseModel([], this, chatAgent, slashCommand, request.id, undefined, undefined, undefined, undefined, undefined, undefined, undefined, isCompleteAddedRequest);
+		request.response = new ChatResponseModel([], this, chatAgent, slashCommand, request.id, undefined, undefined, undefined, undefined, undefined, undefined, isCompleteAddedRequest);
 
 		this._requests.push(request);
 		this._lastMessageDate = Date.now();