webui: use normalizedMessages after upstream refactor

Author: ServeurpersoCom

tools/server/webui/src/lib/services/chat.ts

@@ -208,7 +208,7 @@ export class ChatService {
 					let capturedTimings: ChatMessageTimings | undefined;
 
 					await orchestrator.run({
-						initialMessages: processedMessages,
+						initialMessages: normalizedMessages,
 						requestTemplate: requestBody,
 						callbacks: {
 							onChunk,