Fix analytics graph and toast

- Corrected analytics graph to only display budget data when budget is entered.
- Fixed issue where expense toast notifications were appearing twice.

src/components/AddTransactionButton.tsx

@@ -1,7 +1,8 @@
+
 import React, { useState } from 'react';
 import { PlusIcon } from 'lucide-react';
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from './ui/dialog';
-import { toast } from '@/components/ui/use-toast';
+import { toast } from '@/hooks/use-toast';
 import { useBudget } from '@/contexts/BudgetContext';
 import { supabase } from '@/lib/supabase';
 import { isSyncEnabled } from '@/utils/syncUtils';
@@ -76,6 +77,7 @@ const AddTransactionButton = () => {
       // 브라우저 이벤트 발생시켜 다른 페이지에서도 업데이트되도록 함
       window.dispatchEvent(new Event('budgetDataUpdated'));
       window.dispatchEvent(new Event('transactionAdded'));
+      window.dispatchEvent(new Event('transactionUpdated'));
     } catch (error) {
       console.error('지출 추가 중 오류 발생:', error);
       toast({