✨ feat(tool-center): 优化工具中心分组交互与通用弹窗

- 重构工具中心为侧边分组导航，固定弹窗高度并支持内部滚动
- 新增通用可拖拽可缩放 Modal，统一主要弹窗打开体验
- 为工具中心内嵌入口补充返回上一步交互与底部操作区
- 补充多语言文案和工具中心/Modal/i18n 回归测试

frontend/src/components/QueryEditor.tsx

@@ -1,6 +1,7 @@
-import React, { useState, useEffect, useRef, useMemo, useCallback } from 'react';
+import Modal from './common/ResizableDraggableModal';
+import React, { useState, useEffect, useRef, useMemo, useCallback } from 'react';
 import Editor, { type OnMount } from './MonacoEditor';
-import { message, Modal, Input, Form, MenuProps } from 'antd';
+import { message, Input, Form, MenuProps } from 'antd';
 import { format, type SqlLanguage } from 'sql-formatter';
 import { v4 as uuidv4 } from 'uuid';
 import { TabData, ColumnDefinition, IndexDefinition } from '../types';