tree-select autoComplete Bug

[Ladtor]

描述问题：

trees-select 树形结构数据 使用 autoComplete 存在bug

截图或视频：

如何复现（请务必完整填写下面内容）：

1. 你是如何使用 amis 的？
   sdk

2. amis 版本是什么？请先在最新 beta 版本测试问题是否存在
   6.2.2

3. 粘贴有问题的完整 amis schema 代码：

{
  "body": [
    {
      "label": "Tree",
      "multiple": true,
      "name": "tree",
      "source": "/api/tree-options.json",
      "autoComplete":"/api/tree-options.json?keyword=$term",
      "type": "tree-select"
    }
  ]
}

{
  "code": 0,
  "data": [
    {
      "children": [
        {
          "label": "A-1",
          "value": "a1"
        }
      ],
      "label": "A",
      "value": "a"
    },
    {
      "children": [
        {
          "label": "B-1",
          "value": "b1"
        },
        {
          "label": "B-2",
          "value": "b2"
        }
      ],
      "label": "B",
      "value": "b"
    }
  ],
  "message": "ok"
}

4. 操作步骤

[github-actions]

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