Fix: Add missing Sparkles import to app-sidebar

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Claude

apps/studio/src/components/app-sidebar.tsx

@@ -30,6 +30,7 @@ import {
   ChevronRight,
   Settings,
   Wrench,
+  Sparkles,
   type LucideIcon,
 } from "lucide-react"
 import { useState, useEffect, useCallback, useMemo } from "react"