feat(data-grid-filter): 优化筛选框显示与性能 (#858)

## 功能
- 优化筛选功能在大数据量时的性能
- 实现值统计结果的升降序排序功能
- 将原有复选框列表替换为带排序功能的Ant Design表格
- 修复筛选弹窗内的事件冒泡问题，避免干扰列表头拖拽

## 验证
- 聚焦测试：18/18 通过。
- tsc --noEmit、Vite 生产构建、git diff --check 均通过。

frontend/src/utils/dataGridClientFilter.test.ts

@@ -1,5 +1,9 @@
 import { describe, expect, it } from 'vitest';
-import { countGridColumnValues, filterRowsByGridConditions } from './dataGridClientFilter';
+import {
+  countGridColumnValues,
+  filterRowsByGridConditions,
+  sortGridColumnValueCounts,
+} from './dataGridClientFilter';
 
 describe('countGridColumnValues', () => {
   it('counts nullish, empty, scalar, and stable complex values separately', () => {
@@ -38,6 +42,26 @@ describe('countGridColumnValues', () => {
       { key: 'string:2', count: 1 },
     ]);
   });
+
+  it('sorts value counts by count in either direction without changing tie ordering', () => {
+    const valueCounts = countGridColumnValues([
+      { value: 'z' },
+      { value: 'a' },
+      { value: 'b' },
+      { value: 'z' },
+    ], 'value');
+
+    expect(sortGridColumnValueCounts(valueCounts, 'ascend').map(({ display, count }) => ({ display, count }))).toEqual([
+      { display: 'a', count: 1 },
+      { display: 'b', count: 1 },
+      { display: 'z', count: 2 },
+    ]);
+    expect(sortGridColumnValueCounts(valueCounts, 'descend').map(({ display, count }) => ({ display, count }))).toEqual([
+      { display: 'z', count: 2 },
+      { display: 'a', count: 1 },
+      { display: 'b', count: 1 },
+    ]);
+  });
 });
 
 describe('filterRowsByGridConditions', () => {

frontend/src/utils/dataGridClientFilter.ts

@@ -8,6 +8,8 @@ export type DataGridColumnValueCount = {
   count: number;
 };
 
+export type DataGridColumnValueCountSortOrder = 'ascend' | 'descend';
+
 const stableSerializeComplexValue = (value: unknown, seen = new WeakSet<object>()): string => {
   if (value === null) return 'null';
   if (value === undefined) return 'undefined';
@@ -75,8 +77,16 @@ export const countGridColumnValues = <T extends Record<string, any>>(
     }
   });
 
-  return Array.from(counts.values()).sort((left, right) => (
-    right.count - left.count
+  return sortGridColumnValueCounts(Array.from(counts.values()), 'descend');
+};
+
+export const sortGridColumnValueCounts = (
+  valueCounts: DataGridColumnValueCount[],
+  sortOrder: DataGridColumnValueCountSortOrder,
+): DataGridColumnValueCount[] => {
+  const direction = sortOrder === 'ascend' ? 1 : -1;
+  return [...valueCounts].sort((left, right) => (
+    direction * (left.count - right.count)
     || left.display.localeCompare(right.display, undefined, { numeric: true, sensitivity: 'base' })
     || left.key.localeCompare(right.key)
   ));