refactor: 整理组件目录结构

- TransactionDetail, CategoryBillPopup 移入 Transaction/
- BudgetTypeTabs 移入 Budget/
- GlassBottomNav, ModernEmpty 移入 Global/
- Icon, IconSelector, ClassifySelector 等 8 个通用组件移入 Common/
- 更新所有相关引用路径

Web/src/components/Budget/BudgetCard.vue

@@ -429,7 +429,7 @@
 <script setup>
 import { computed, ref } from 'vue'
 import { BudgetPeriodType } from '@/constants/enums'
-import PopupContainerV2 from '@/components/PopupContainerV2.vue'
+import PopupContainerV2 from '@/components/Common/PopupContainerV2.vue'
 import BillListComponent from '@/components/Bill/BillListComponent.vue'
 import { getTransactionList } from '@/api/transactionRecord'