Adjust junk drawer styles

src/junk-drawer/junk-drawer.controller.ts

@@ -40,6 +40,13 @@ export class JunkDrawerController {
   @Render('junk-drawer/view')
   async viewJunkDrawer(@Param('slug') slug: string): Promise<any> {
     const metadata = await this.junkDrawerService.getJunkDrawerMetadata(slug);
+    if (!metadata) {
+      return { error: 'File not found or expired' };
+    }
+    metadata.items = metadata.items.map((item) => ({
+      ...item,
+      isImage: item.mimetype.startsWith('image/'),
+    }));
     return { ...metadata };
   }