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/Bill/BillListComponent.vue

@@ -232,7 +232,7 @@ import { ref, computed, watch, onMounted } from 'vue'
 import { showConfirmDialog, showToast } from 'vant'
 import { getTransactionList, deleteTransaction } from '@/api/transactionRecord'
 import { getCategoryList } from '@/api/transactionCategory'
-import Icon from '@/components/Icon.vue'
+import Icon from '@/components/Common/Icon.vue'
 
 /**
  * @typedef {Object} Transaction