feat: 收集箱侧边栏UI美化 — 自定义滚动条、隐藏空分组、优化列表项间距

src/web/features/inbox/components/MaterialGroup.tsx

@@ -5,11 +5,10 @@ import { type ReactNode, useState } from "react";
 interface MaterialGroupProps {
   children: ReactNode;
   count: number;
-  emptyText?: string;
   label: string;
 }
 
-export function MaterialGroup({ children, count, emptyText, label }: MaterialGroupProps) {
+export function MaterialGroup({ children, count, label }: MaterialGroupProps) {
   const [collapsed, setCollapsed] = useState(false);
 
   return (
@@ -23,17 +22,7 @@ export function MaterialGroup({ children, count, emptyText, label }: MaterialGro
           ({count})
         </Typography.Text>
       </div>
-      {!collapsed && (
-        <div className="app-inbox-group-content">
-          {count === 0 && emptyText ? (
-            <Typography.Text className="app-inbox-group-empty" type="secondary">
-              {emptyText}
-            </Typography.Text>
-          ) : (
-            children
-          )}
-        </div>
-      )}
+      {!collapsed && <div className="app-inbox-group-content">{children}</div>}
     </div>
   );
 }