fix(agent-office/LogTab): 최신 로그가 보이도록 스크롤을 맨 위로 이동

src/pages/agent-office/components/LogTab.jsx

@@ -40,7 +40,7 @@ export default function LogTab({ agentId, refreshTrigger }) {
 
   useEffect(() => {
     if (scrollRef.current) {
-      scrollRef.current.scrollTop = scrollRef.current.scrollHeight;
+      scrollRef.current.scrollTop = 0;
     }
   }, [logs]);