change some modal-related stylse

js/components/src/components/ui/dialog.tsx

···
 
 // Dialog Close Icon component (Lucide X)
 const DialogCloseIcon = () => {
-  return <ThemedX size="md" variant="muted" />;
+  return <ThemedX size="md" variant="default" />;
 };
 
 // Create theme-aware styles

js/components/src/components/ui/index.ts

···
 export * from "./resizeable";
 export * from "./slider";
 export * from "./text";
+export * from "./textarea";
 export * from "./toast";
 export * from "./view";
 

js/components/src/components/ui/primitives/modal.tsx

···
     padding: 16,
   },
   content: {
-    backgroundColor: "white",
     borderRadius: 8,
     overflow: "hidden",
   },