fix: web component set IsDark (#630)

src/components/SearchChat/index.tsx

@@ -91,6 +91,7 @@ function SearchChat({
   );
 
   const setTheme = useThemeStore((state) => state.setTheme);
+  const setIsDark = useThemeStore((state) => state.setIsDark);
 
   const isChatModeRef = useRef(false);
   useEffect(() => {
@@ -129,6 +130,7 @@ function SearchChat({
   useEffect(() => {
     if (!theme) return;
 
+    setIsDark(theme === "dark");
     setTheme(theme);
   }, [theme]);
 

src/routes/layout.tsx

@@ -45,6 +45,7 @@ export default function Layout() {
     const unlistenTheme = await platformAdapter.listenThemeChanged(
       (theme: AppTheme) => {
         setTheme(theme);
+        setIsDark(theme === "dark");
       }
     );