Fix budget input and display

- Fix issue where budget input for transportation and other categories were not saved correctly.
- Fix issue where total budget amount was calculated incorrectly.
- Fix issue where daily and weekly budgets were not displayed correctly.

src/contexts/budget/budgetUtils.ts

@@ -6,7 +6,9 @@ import { EXPENSE_CATEGORIES } from '@/constants/categoryIcons';
 export const DEFAULT_CATEGORY_BUDGETS: Record<string, number> = {
   음식: 0,
   쇼핑: 0,
-  교통비: 0
+  교통비: 0,
+  교통: 0,
+  기타: 0
 };
 
 export const DEFAULT_MONTHLY_BUDGET = 0;